Whether you're calculating a discount, marking up a price, or figuring out a percentage difference, our multi-mode Percentage Calculator finds the exact answer instantly.
How to use this tool?
Select the appropriate tab for your needs:
- Basic %: Finds a specific percentage of a number (e.g., 20% of 500).
- % of Total: Finds out what percentage one number is of another (e.g., 50 is what percent of 200).
- % Change: Calculates the percentage growth or reduction between two values.
- Find Original: Reverses a percentage calculation to find the starting number.
Formulae
Frequently Asked Questions
Divide the first number by the second number, then multiply the result by 100. For example, to find what percentage 50 is of 200: (50 ÷ 200) × 100 = 25%.
Multiply the original price by 0.20 to find the discount amount. Subtract that amount from the original price to find the final price. Alternatively, multiply the original price by 0.80.
Percentage Increase = ((New Value - Old Value) ÷ Old Value) × 100.
Find the difference between the new and old values. Divide that difference by the old value, then multiply by 100.
Percentage is a mathematical ratio out of 100. Percentile is a statistical measure indicating the value below which a given percentage of observations fall.
Multiply the price by the GST rate (e.g., 18% = 0.18). Add this to the original price for the inclusive amount. You can use our GST Calculator for this.
1% of 1 Crore (1,00,00,000) is 1,00,000 (One Lakh).
Divide the discounted price by (1 - discount percentage as decimal). For a 20% discount, divide by 0.8.