One way:

Assuming your divisor is in B1 and your dividend in A1:

=IF(B1=0,SIGN(A1),A1/B1)

Format the cell as a percentage.



In article ,
"sony654" wrote:

I am dividing number by "0", and want the result to be 100%, or -100%. For
example: -.06/0 should equal -100%. how do I address in the formula? Thanks.