Calculating percentage variance is the process of comparing two different years of sales. The most common way to calculate is to take the base value and subtract it from the new value
http://www.ask.com/webanswers/Science/Mathematics...

how to calculate budget variance percentage?
http://wiki.answers.com/Q/How+do+you+calculate+pri...

Hey, Calculating percentage variance is the process of comparing two different years of sales. The most common way to calculate is to take the base value and subtract it from the
http://answers.yahoo.com/question/index?qid=201206...

1. Obtain the average return for each asset in your portfolio. Let's say you have three stocks with an average return of 8.9, 4.6 and 1.2 percent. 2. Subtract the mean from each
http://www.ehow.com/how_5941478_calculatevariance...
