EVERYDAY WORKBENCH · NEW

Percentage Calculator

Solve percentage, change, discount and reverse-percentage questions with the formula shown clearly.

Free · Private · Instant

Choose the question

Switch modes without losing your values.

Calculation mode

Percentage

Base value

percentage ÷ 100 × base

Clear formula

Every result exposes the assumptions behind it.

Private by default

Inputs are calculated in this browser and are not uploaded.

Ready to reuse

Copy the result or save a clean PDF report.