Percent Calculator

How to Use Select the calculation type: find X% of a number, find what percentage one number is of another, or calculate percentage increase/decrease. Enter the values and the result appears instantly. The reverse calculation mode works backward from a final value to find the original. Who Is This For Shoppers calculating discount savings, students and employees calculating scores and achievement rates, and freelancers or business owners computing taxes, tips, or commission percentages. Key Features • X% of a number • What percentage is A of B • Percentage increase / decrease • Reverse calculation (find original from final value) • Step-by-step calculation display Frequently Asked Questions Q: If a 30%-discounted price is $70, what was the original price? A: Use the reverse calculation: $70 is 70% of the original, so enter those values to get $100. Q: How do I calculate month-over-month growth rate? A: The formula is ((current - previous) / previous) × 100. Use the 'percentage change' mode and enter both values. Q: What is the difference between percentage points and percent? A: They are different. Going from 10% to 20% is a 10 percentage point increase, but a 100% relative increase. Be precise when writing reports. Tips To find the pre-tax price from a tax-inclusive total (10% tax): divide the total by 1.1. For other tax rates, divide by (1 + tax rate). Use the reverse calculation mode for this.