该计算器的功能

The Percentage Calculator supports common tasks such as finding X percent of Y, measuring how much one value represents of another, and applying percentage increases or decreases.

典型用例

• Discount and markup checks for prices.
• Growth analysis for metrics and reports.
• Progress and completion tracking.

Tips

Choose the operation first, then fill both values. The output focuses on the final number so you can copy and reuse it quickly.