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.