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All-in-One Percentage Calculator

Solve all everyday percentage problems: find X% of Y, determine what percentage X is of Y, or calculate percentage growth and discounts.

Percentage Inputs

20% of 250
50.00
20 is what % of 250?8.00%
% Change from 20 to 250:+1,150.00%
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How to Use Percentage Calculator

1

Select Calculation Mode

Choose between "X% of Y" or "Percentage Increase/Decrease".

2

Input Numbers

Enter the values into the respective fields.

3

View Result

The percentage calculation updates in real time automatically.

Key Features & Benefits

Multi-mode calculations (percentage of, percentage change)

Color-coded percentage increase (green) and decrease (red) badges

Step-by-step mathematical logic display

Instant responsive output

Frequently Asked Questions

How do you calculate percentage increase?

Subtract the old value from the new value, divide by the absolute old value, and multiply by 100: ((New - Old) / |Old|) × 100.

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Simple Interest Calculator

Calculate simple interest (P × R × T / 100) and total accumulated maturity amounts.

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