✨ Free Online Calculator
Percentage Calculator
Instantly calculate percentages, percentage change, and more — no sign-up required.
%
⚠ Please enter valid numbers in both fields.
Formula:
Example: 20% of 500 = (20 ÷ 100) × 500 = 100
Result = (Percentage ÷ 100) × NumberExample: 20% of 500 = (20 ÷ 100) × 500 = 100
%
⚠ Please enter valid numbers in both fields.
Formula:
Example: 200 increased by 25% = 200 × 1.25 = 250
New Value = Original × (1 + Percentage ÷ 100)Example: 200 increased by 25% = 200 × 1.25 = 250
%
⚠ Please enter valid numbers in both fields.
Formula:
Example: 500 decreased by 15% = 500 × 0.85 = 425
New Value = Original × (1 − Percentage ÷ 100)Example: 500 decreased by 15% = 500 × 0.85 = 425
⚠ Please enter valid numbers. Original value cannot be zero.
Formula:
Example: from 80 to 100 = ((100 − 80) ÷ 80) × 100 = +25%
% Change = ((New − Original) ÷ Original) × 100Example: from 80 to 100 = ((100 − 80) ÷ 80) × 100 = +25%
How it works
% of a Number
Find what a specific percentage of any number equals. Ideal for discounts, tips, and taxes.
% Increase
Calculate the new value after applying a percentage increase. Perfect for salary raises and price hikes.
% Decrease
Find the value after a percentage reduction. Great for sale prices and budget cuts.
% Change
Calculate how much a value has changed in percentage terms between any two numbers.