Percentage Helper
Find % of a number, increase/decrease by %, what percent A is of B, and percentage change.
% of a number
Increase / Decrease by %
What percent is A of B?
Percent change from A to B
InfoTip: to “reverse” a discounted price by p%, divide final price by (1 − p/100). To reverse an increase by p%, divide by (1 + p/100).