Percentage Calculator
Calculate percentages, percentage change, and percentage of total.
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How to use
Use the Basic % tab to find what percentage one number is of another, or to calculate a percentage of a number. The % Change tab calculates how much a value increased or decreased. The % of Total tab shows what share a part represents of a whole.
Frequently Asked Questions
How do I calculate 20% of 150?
Multiply 150 × 0.20 = 30. Or divide 150 by 100 and multiply by 20.
How do I calculate percentage change?
Percentage change = ((new value − old value) ÷ old value) × 100. A positive result is an increase, a negative result is a decrease.
What is the percentage of 45 out of 60?
(45 ÷ 60) × 100 = 75%.