Tools › Calculators
Percentage calculator
Answer the everyday percentage questions: what is X% of Y, X is what percent of Y, the percentage change between two values, and prices after a discount or tax.
Private by design: everything is processed on your device. Nothing you add is uploaded or stored.
How to use it
- Choose the question.
- Enter the numbers.
- Read the answer as you type.
Questions
How is percentage change calculated?
(new − old) ÷ old × 100.