Percentage Calculator
Calculate what a percentage of a number is.
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Solve every type of percentage calculation instantly with clearly labeled modes for each direction. Basic mode: what is X% of Y? Percentage-of mode: X is what percent of Y? Percentage change mode: what is the percentage increase or decrease between two values? Percentage increase and decrease modes: add or subtract a percentage from a number. Reverse mode: work backwards from a discounted or taxed value to find the original price. Each mode has clearly labeled input fields and results include full working so you understand the calculation, not just the answer. All calculations run in your browser with no server calls. No account required.
How to Use
- 1Choose a calculation type: What is X% of Y, X is what % of Y, Percentage Change, or Add/Remove Percentage
- 2Enter the required values in the input fields
- 3The result is calculated and displayed instantly
- 4Read the explanation below the result to understand how the calculation works
- 5Try another calculation type by selecting it from the mode buttons
Features
- Four calculation modes: What is X% of Y, X is what % of Y, Percentage Change, Add/Remove %
- Inline explanation of the formula used
- Instant real-time calculation
- Percentage increase and decrease with color coding (green/red)
- 100% browser-based
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