How to calculate percentage change?

Percentage change is calculated as ((new value - original value) ÷ original value) × 100. Positive means increase, negative means decrease.

What is the decimal precision?

Results are displayed to 2 decimal places. For higher precision, please use specialized calculation tools.

Can I use it for sales tax calculation?

Yes, use the "X% of" calculation to find sales tax. For example, 10% of 1000 yen = 100 yen. Can also be applied to calculate tax-inclusive prices.

Can I calculate discounted prices?

Yes, calculate the discount with "X% of" and subtract from original price. For example, 20% off 5000 yen = 5000 - 1000 = 4000 yen.

Percentage Calculator

Calculate percentages easily. Instantly compute ratios, rate of change, and percent values.

Percentage

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How to Use

Step 1

Select Type

Select calculation type from "What %", "% of", or "% change"

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Step 2

Enter Values

Enter the values needed for calculation

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Step 3

Check Results

Calculation results are displayed in real-time

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Features

Various Calculations

Supports various percentage calculations including ratios, rate of change, and values.

Real-time Calculation

Automatically calculates results as you input numbers. Answers displayed instantly.

Simple Operation

Intuitive UI for easy use by anyone. Convenient for business and daily life.

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FAQ

For "What % is A of B?", calculate (A ÷ B) × 100. For "What is X% of B?", calculate B × (percent ÷ 100).

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