Formulas for working with percentages

Last modified: 
Tuesday, May 31st, 2016

Find Percent Increase

increase = new number - original number
% increase = increase - original number * 100

Find Percent Decrease

decrease = original number - new number
% decrease = decrease / original number * 100

The operator of this site makes no claims, promises, or guarantees of the accuracy, completeness, originality, uniqueness, or even general adequacy of the contents herein and expressly disclaims liability for errors and omissions in the contents of this website.