Question 1

What modes does this percentage calculator support?

Accepted Answer

Three modes: (1) What is X% of Y, (2) X is what % of Y, and (3) X increased or decreased by Y%.

Question 2

Does it calculate in real-time?

Accepted Answer

Yes. Results update live as you type — no need to press a calculate button.

Question 3

How do I calculate percentage increase?

Accepted Answer

Use mode 3: enter the original value and the percentage increase. The calculator shows the new value and explains the calculation.

Question 4

Can I calculate percentage decrease?

Accepted Answer

Yes. In mode 3, you can toggle between increase and decrease to calculate either direction.

Question 5

Is this calculator free?

Accepted Answer

Yes, completely free. No signup, no limits, works entirely in your browser.

Percentage Calculator

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