Percentage Calculator

Work out percentages, increases and changes.

What is % of ?

30

is what percent of ?

25 %

Percentage change from to

+50 %

About the Percentage Calculator

Work out percentages, percentage change and reverse percentages with clear, labeled inputs. Quick answers for discounts, tips, tax, growth and everyday math.

How to use it

  1. 1Pick the type of calculation you need.
  2. 2Enter your numbers in the labeled fields.
  3. 3Read the result instantly.

Frequently asked questions

Can it calculate percentage increase or decrease?
Yes — enter the old and new values to get the percentage change between them.