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Percentage Calculator
Five common percentage problems, answered instantly as you type.
Percentage formulas
- X% of Y = X ÷ 100 × Y
- X is what % of Y = X ÷ Y × 100
- % change = (new − old) ÷ old × 100
- Add VAT: price × (1 + rate ÷ 100). Nepal's standard VAT is 13%.
- Discount: price × (1 − discount ÷ 100)
Frequently asked questions
How do I add 13% VAT to a price?
Multiply the price by 1.13. For example, Rs. 1,000 + 13% VAT = Rs. 1,130. Use the 'Add %' row above.
How do I calculate percentage increase?
Subtract the old value from the new one, divide by the old value and multiply by 100.
How do I calculate marks percentage?
Divide marks obtained by total marks and multiply by 100. Use the second row: 450 is what % of 500 = 90%.