Percentage Calculator
Find X% of a number, what percent one number is of another, percentage increase or decrease, and percentage difference.
About Percentage Calculator
This percentage calculator online answers the everyday percentage questions in one place: what is X% of a number, what percent one number is of another, the percentage increase or decrease between two values, and the percentage difference. The answer updates as you type and the formula is shown underneath, so you can see exactly how it was worked out.
It is handy for working out your percentage of marks, a discount on a price, a salary hike or a change in money over time. If you have ever wondered how percentage kaise nikale, the steps shown here make it clear. It is free, needs no sign-up and runs entirely in your browser.
How to use Percentage Calculator
- Pick the kind of percentage question from the tabs.
- Enter your numbers — the answer updates as you type.
- Read the formula under the answer to see how it was worked out.
Frequently asked questions
How do I calculate percentage increase?
Percentage change = (New − Old) ÷ Old × 100. From ₹40,000 to ₹46,000 is (6,000 ÷ 40,000) × 100 = 15% increase.
What is the difference between percentage change and percentage difference?
Percentage change compares a new value to an original one. Percentage difference compares two values with no “original”, dividing the gap by their average.
Is a 20% rise followed by a 20% fall the same value?
No. 100 → 120 → 96. The fall is 20% of a bigger number, so you end 4% lower.
How do I calculate percentage of marks?
Divide the marks you obtained by the total marks and multiply by 100. For example, 450 out of 500 is 450 ÷ 500 × 100 = 90%.
What is the formula for percentage?
Percentage = (part ÷ whole) × 100. To find X% of a number, multiply the number by X and divide by 100.
How do I calculate a discount percentage?
Subtract the sale price from the original price, divide by the original price and multiply by 100. Use the percentage decrease tab to do this instantly.
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