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Percent Calculator
Calculate percentages easily. X% of Y, what % is X of Y, percentage change.
Enter values to see the result
💡 How to Use
Choose one of three modes and enter the required values — the result appears automatically without pressing any button. The 'X% of Y' mode handles discount prices and tax amounts; 'What % is X of Y' mode calculates score rates and market share; and 'Percentage change' mode reveals growth rates and price fluctuations. Everyday uses include applying shopping discounts, converting exam scores to percentages, calculating VAT, and interpreting statistical data.
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FAQ
How do I calculate a discount?▼
Use 'X% of Y' mode. Example: 30% off 50,000 won = enter 30 and 50000 to get 15,000 won (discount amount).
When do I use percentage change?▼
Use it for year-over-year sales changes, weight change rates, stock price fluctuations, etc. Enter the original and new values.