Local and instant calculation
Calculate a percentage of an amount, apply increases or discounts and measure the percentage change between two values.
Choose the calculation type, enter the values and get the result automatically without installing software or creating an account.
Free finance tool
Calculate percentages, increases, decreases and percentage changes between two values directly in your browser.
Percentage calculator
Calculate percentages, increases, decreases and percentage changes between two values.
Result
200
Base amount
1,000
Calculation summary
20% × 1,000 = 200
Choose the type of calculation, enter the requested values and review the result. The calculator can find a percentage of an amount, apply an increase or decrease and calculate the percentage change between an initial and a final value.
FAQ
Yes. You can perform all available percentage calculations without creating an account.
Yes. Select the decrease mode, enter the discount percentage and the original amount to calculate the final value.
Yes. Select the increase mode and enter the percentage and original amount.
The difference between the final and initial value is divided by the initial value and then multiplied by 100.
The standard formula divides by the initial value. Division by zero is undefined, so a standard percentage change cannot be calculated.
No upload is required. The calculation runs locally inside your browser.
Percentage change uses the initial value as its reference. When that value is zero, the percentage change cannot be calculated using the standard formula.
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