Percentage of a Number (X% of Y)
About Percentage of a Number (X% of Y) Calculator
This calculator helps you find the percentage value of any number. It’s commonly used for calculating discounts, tax amounts, exam scores, and interest — where you need to know what a certain percent of a total is.
Formula (Simple Explanation)›
Result = (X × Y) ÷ 100
Where: X = Percentage rate, Y = Total value. Multiply the percent by the total and divide by 100 to get the result.
Example:
Input: X = 20%, Y = 500
Output: Result = (20 × 500) ÷ 100 = 100
Steps to Use:
- Enter the percentage value (X).
- Enter the total or base value (Y).
- Click 'Calculate' to get X% of Y.
- Use the result for tax, profit, or discount calculations.
Frequently Asked Questions
What does 'X% of Y' mean?›
It means finding the portion or value that represents X percent of the total value Y. For example, 10% of 200 is 20.
How is the percentage of a number calculated?›
Multiply the total number by the percentage and divide by 100. Example: (15 × 600) ÷ 100 = 90.
Where is this used in daily life?›
You can use it to calculate discounts, GST, commissions, and markups — anywhere you deal with percentages.
Can I enter decimal percentages?›
Yes. You can use values like 12.5% or 7.25% for accurate fractional percentage results.
Is this calculator suitable for school and business use?›
Absolutely. It’s useful for students learning percentage problems and for professionals handling sales, finance, and taxes.