Answers

2015-10-27T13:51:47+05:30
Make sure the Number tab is selected and from within the options in this tab, select Percentage. An option will appear in the Format Cells box, that allows you to select how many decimal places you want to display. Click OK.
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2015-10-27T14:01:56+05:30
FORMULA OF PERCENTAGE = (total cells)/grand total*100.
         i hope that this will help u...........................^_^
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