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Percentage Calculator

Calculate percentages easily with these tools

🔢 What is X% of Y?

Find a percentage of any number

What is % of ?
Answer
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Quick Examples
10% of 100 25% of 200 15% of 80 50% of 150

📊 X is what % of Y?

Find what percentage one number is of another

is what % of ?
Answer
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Quick Examples
50 of 200 30 of 120 75 of 300

📈 Percentage Change

Calculate the percentage increase or decrease between two values

From to = ?
Change
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Quick Examples
100 → 150 80 → 60 200 → 250

➕➖ Increase/Decrease by %

Calculate what a number becomes after increasing or decreasing by a percentage

± % = ?
📈 After Increase
—
📉 After Decrease
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Quick Examples
100 ± 10% 250 ± 20% 80 ± 15%

About Percentage Calculator

Our free percentage calculator helps you find percentages of numbers, percentage change, and reverse percentages. Calculate what is X% of Y, what percentage is A of B, or add/subtract a percentage from a value. Useful for discounts, tips, grades, and statistics. No signup—Toolinho offers free online calculators for everyday use.

Use the tabs above for different percentage calculations. Enter your values and get instant results. All calculations run in your browser. Try our other free tools: BMI calculator, loan calculator, and unit converter.