Percentage Calculator
Calculate percentages, percentage increase/decrease, and find what percentage one number is of another
How to Use
What is X% of Y? - Calculate a percentage of a number
What percentage is X of Y? - Find what percentage one number is of another
Percentage Increase - Calculate the percentage increase between two values
Percentage Decrease - Calculate the percentage decrease between two values
Common Examples
• 20% of 100 = 20
• 25 is 50% of 50
• From 80 to 100 is a 25% increase
• From 100 to 80 is a 20% decrease
Percentage Formulas
Basic: (Percentage ÷ 100) × Number
Percentage of: (Number1 ÷ Number2) × 100
Increase: ((New - Original) ÷ Original) × 100
Decrease: ((Original - New) ÷ Original) × 100