Hi Im a graphic designer and very rarely have to use exel.
I have been supplied a sheet containing a grid of approx 200 numbers. I need to increase each of the numbers in each cell by a percentage. I have found the formula to do this in the excel help but It appears I can only do 1 cell at a time?. Is there any way of selecting all the cells and applying a formula to increase them all by 75% in one click!!!
I have do do the same cells over and over for different percentages so if I can only do them 1 at a time I'm in for a long night!!
any help would be most welcome
cheers
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