Online Percentage Calculators

Percentage of a Number

Find what percentage a number is of another number. Example: 20% of 200 is 40.



Percentage Increase/Decrease

Calculate how much a value has increased or decreased in percentage terms.



Percentage Difference

Compare two numbers to see their percentage difference.



Reverse Percentage Calculation

Find the original value before a percentage change was applied.



Compound Percentage Change

Calculate changes over multiple periods.




Frequently Asked Questions (FAQs)

How Are Percentages Calculated?

A percentage is calculated using the formula: (Part ÷ Total) × 100.

How to Calculate Percentage Increase?

Use the formula: ((New Value – Old Value) ÷ Old Value) × 100.

How to Calculate Percentage of a Number?

Use the formula: (Percentage ÷ 100) × Total Value.

How to Calculate Percentage Change?

Formula: ((New Value – Old Value) ÷ Old Value) × 100.

How to Calculate Percentage Difference?

Formula: ((|Value 1 – Value 2|) ÷ ((Value 1 + Value 2) ÷ 2)) × 100.

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