Percentage Calculator Online - Free Percent Change & Margin Tool

Percentage Calculator

What is X% of Y? · % Change · Discount · Margin

% of
Result
From to
% Change
discounted by % =
Final Price

Common Percentage Calculations

  • What is X% of Y? - "What is 15% of 200?" → 30
  • Percentage Change - "From 80 to 100, what's the increase?" → 25%
  • Discount - "What do I pay if $100 is discounted 20%?" → $80
  • Margin - "I buy at $60, sell at $100, what's my margin?" → 40%

FAQ

Is this free?Yes, completely free with no signup required.
Can I use negative numbers?The percentage change calculator accepts negative numbers for decrease calculations.