I would like help in working out the following formula.
I have a number that is generated from the amount of defects for the month,
which would be between 0-100.
I would like to generate a new number from this that would be between 1-10.
For example, if the total defects were between 20-30, i would like to see a
6 in the next colum, if it was between 80-100 I would like to see a 10 etc

Any ideas on how to write this formula?