What formulae do I use to get a percentage going back down.
If I have a figure to which I have to apply an additional 17.5% say $100 so
that it eqals $117.5. What formula do I use to work out what the original starting price was when I am confronted by $117.50 ie I want to get back to the $100 figure. So in this case 17.5% up is what formula to go down and what is the rule for going down from an number. Hope this clear and much thanks. Eqa |
What formulae do I use to get a percentage going back down.
If I have a figure to which I have to apply an additional 17.5% say $100
so that it eqals $117.5. What formula do I use to work out what the original starting price was when I am confronted by $117.50 ie I want to get back to the $100 figure. So in this case 17.5% up is what formula to go down and what is the rule for going down from an number. If the original price is X and you want to get the price with 17.4% tacked on, you multiply by 1.175. This comes from doing this... X + 0.175 * X = 1.175 * X (factor out the common X term) So, the formula to go up is New = (1 + PercentAsDecimal) *Old Hence, to go the other way, divide the above by (1+PercentAsDecimal). Thus... Old = New / (1 + PercentAsDecimal) Example, what was the original price if $117.50 represents a 17.5% markup... Old = $117.50 / 1.175 = $100 Rick |
What formulae do I use to get a percentage going back down.
you need to know that 17.5 percent WAS applied(ie 100*1.175),or know what the
original starting price was.You get back to your original starting price by dividing by 1.175 or determine your original increase by(117.5-100)/100 -- paul remove nospam for email addy! "Eqa" wrote: If I have a figure to which I have to apply an additional 17.5% say $100 so that it eqals $117.5. What formula do I use to work out what the original starting price was when I am confronted by $117.50 ie I want to get back to the $100 figure. So in this case 17.5% up is what formula to go down and what is the rule for going down from an number. Hope this clear and much thanks. Eqa |
What formulae do I use to get a percentage going back down.
Hi
To Increase the figure from Net to Gross =A1*(1+17.5%) Going the other way, you just divide instead of multiply so to Decrease from Gross back to Net =A1/(1+17.5%) If you put the 17.5% (or any other percentage) in a cell, say B1 then it becomes =A1/(1+B1) -- Regards Roger Govier "Eqa" wrote in message ... If I have a figure to which I have to apply an additional 17.5% say $100 so that it eqals $117.5. What formula do I use to work out what the original starting price was when I am confronted by $117.50 ie I want to get back to the $100 figure. So in this case 17.5% up is what formula to go down and what is the rule for going down from an number. Hope this clear and much thanks. Eqa |
What formulae do I use to get a percentage going back down.
Roger and all thanks for that.
But I realise I need to find out what the difference is in between the new and the old price. So in this case I have $117.50 how do i get the $17.50 by itself. Eqa "Roger Govier" wrote: Hi To Increase the figure from Net to Gross =A1*(1+17.5%) Going the other way, you just divide instead of multiply so to Decrease from Gross back to Net =A1/(1+17.5%) If you put the 17.5% (or any other percentage) in a cell, say B1 then it becomes =A1/(1+B1) -- Regards Roger Govier "Eqa" wrote in message ... If I have a figure to which I have to apply an additional 17.5% say $100 so that it eqals $117.5. What formula do I use to work out what the original starting price was when I am confronted by $117.50 ie I want to get back to the $100 figure. So in this case 17.5% up is what formula to go down and what is the rule for going down from an number. Hope this clear and much thanks. Eqa |
What formulae do I use to get a percentage going back down.
Hi
how do i get the $17.50 by itself. Then =A1-(A1/(1+B1)) -- Regards Roger Govier "Eqa" wrote in message ... Roger and all thanks for that. But I realise I need to find out what the difference is in between the new and the old price. So in this case I have $117.50 how do i get the $17.50 by itself. Eqa "Roger Govier" wrote: Hi To Increase the figure from Net to Gross =A1*(1+17.5%) Going the other way, you just divide instead of multiply so to Decrease from Gross back to Net =A1/(1+17.5%) If you put the 17.5% (or any other percentage) in a cell, say B1 then it becomes =A1/(1+B1) -- Regards Roger Govier "Eqa" wrote in message ... If I have a figure to which I have to apply an additional 17.5% say $100 so that it eqals $117.5. What formula do I use to work out what the original starting price was when I am confronted by $117.50 ie I want to get back to the $100 figure. So in this case 17.5% up is what formula to go down and what is the rule for going down from an number. Hope this clear and much thanks. Eqa |
What formulae do I use to get a percentage going back down.
thanks for that
"Roger Govier" wrote: Hi how do i get the $17.50 by itself. Then =A1-(A1/(1+B1)) -- Regards Roger Govier "Eqa" wrote in message ... Roger and all thanks for that. But I realise I need to find out what the difference is in between the new and the old price. So in this case I have $117.50 how do i get the $17.50 by itself. Eqa "Roger Govier" wrote: Hi To Increase the figure from Net to Gross =A1*(1+17.5%) Going the other way, you just divide instead of multiply so to Decrease from Gross back to Net =A1/(1+17.5%) If you put the 17.5% (or any other percentage) in a cell, say B1 then it becomes =A1/(1+B1) -- Regards Roger Govier "Eqa" wrote in message ... If I have a figure to which I have to apply an additional 17.5% say $100 so that it eqals $117.5. What formula do I use to work out what the original starting price was when I am confronted by $117.50 ie I want to get back to the $100 figure. So in this case 17.5% up is what formula to go down and what is the rule for going down from an number. Hope this clear and much thanks. Eqa |
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