G Guest Aug 23, 2007 #3 To subtract 10%, you just multiply by 90% or 0.9. Let's say your number is in cell A1. =A1*.9 or if its easier to think of it in terms of subtraction, then you could also use: =A1-(A1*.1) HTH, Elkar
To subtract 10%, you just multiply by 90% or 0.9. Let's say your number is in cell A1. =A1*.9 or if its easier to think of it in terms of subtraction, then you could also use: =A1-(A1*.1) HTH, Elkar
