🔢 Percentage Calculator

• X% of Y: Calculate a specific percentage of a value (e.g., finding the tip or tax amount).
• Change (%): Find the percentage increase or decrease between two numbers (e.g., measuring price changes or growth).
• Ratio: Determine what percentage a part is of a whole (e.g., calculating test scores or project progress).
• Reverse: Find the original value before a percentage was added or subtracted (e.g., finding the pre-discount price).

We've provided quick-select buttons for common percentages (5%, 10%, 15%, etc.) and operations (Discount vs. Markup) to speed up your calculations. In "X% of Y" mode, just click a button to instantly apply that percentage.

Simply click anywhere inside the result box. The calculated value will be automatically copied to your clipboard without any formatting, ready to paste.