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Why do we multiply by 100 while calculating percentage ?

    example : 2/100 * 100 =2% 
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    It is because 2% is easier to visualize as compared to 0.02. For example, if I am talking about a small gain of money, 0.1% is a lot easier to 'visualize' as compared to 0.001.2012-07-11
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    % is a notation symbol that means "divided by 100".2012-07-11

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