Find a percentage of a number
Calculate a value such as 15% of 200.
% of
Enter values and calculate.
Percentage Calculator
Calculate percentages, changes in values, and marks results quickly with simple, clear formulas.
What percentage is it?
Find what percentage one number is of another.
is what % of
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Percentage change
Calculate increase or decrease from an original value.
Fromto
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Marks percentage
Calculate score percentage from marks obtained and total marks.
out of
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Free online percentage calculator
Use this calculator for exam marks, discounts, price changes, statistics, and everyday maths. Enter the values in the formula that matches your question to see the result instantly.
How do I calculate a percentage of a number?
Multiply the percentage by the number, then divide by 100. For example, 15% of 200 is 15 × 200 ÷ 100, which equals 30.
How do I calculate percentage increase?
Subtract the original value from the new value, divide the difference by the original value, then multiply by 100.