1. Consider the numbers to be a fraction of a greater whole. For example, assume you would like to know information about your shoe collection. You have three pairs of white shoes
http://www.ehow.com/how_10014589_calculatepercent...

That is very difficult to say, because it's very hard to measure. Especially since a survey would never give good data, since surveyees are unobjective judges of their own behaviour
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you basically divide by 100 so if the number was 56 it would be 56% so forth.
http://wiki.answers.com/Q/How_do_find_a_percentage...

To find a percent, divide the first number by the second.
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