When you apply Microsoft Excel's percentage number format to a cell already containing a number, it multiplies the value by 100. This can be frustrating, as there's apparently no easy way to stop this ...
How-To Geek on MSN
Stop using format painter in Excel: Find and replace formatting instead
First, set up a model cell with the replacement formatting. Next, press Ctrl+H to launch the Find and Replace dialog. There, define both the Find What and Replace With formatting by clicking "Choose ...
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