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Percentage Change Calculator

Calculate the percentage change (increase or decrease) between two numbers.

Formula

Percent change = ((new โˆ’ old) / |old|) ร— 100. A positive value is an increase, negative is a decrease.

Frequently Asked Questions

Is the Percentage Change Calculator free to use?
Yes, the Percentage Change Calculator is 100% free to use. There are no subscriptions, no sign-ups, and no hidden fees.
Is my data safe when using the Percentage Change Calculator?
Absolutely. All calculations performed by the Percentage Change Calculator happen locally in your web browser. We do not store, track, or transmit your inputs or results to any server.
How accurate is the Percentage Change Calculator?
Our Percentage Change Calculator uses industry-standard formulas and methodology. You can view the exact formula and calculation logic used in the methodology section above to verify the math yourself.
Can I use the Percentage Change Calculator on my mobile phone?
Yes! The Percentage Change Calculator is fully responsive and works seamlessly on all devices including smartphones, tablets, and desktop computers.