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Percentage Calculator

A multi-mode percentage calculator: find X% of Y, find what percent A is of B, calculate percent increase or decrease, and reverse-percentage problems.

15% of 200 =
30

How to use Percentage Calculator

  1. Pick the kind of percent question you want to answer.
  2. Enter two numbers — labels update for each mode.
  3. Read off the answer instantly.

Frequently asked questions