Percentage Calculator
Solve all types of percentage calculations
What is X% of Y?
What is %
of
Result: 15.00
Example: 15% of 100 = 15
X is what % of Y?
is what %
of
Result: 25.00%
Example: 25 is 25% of 100
Percentage Increase/Decrease
Change: +25.00
Percentage: +
25.00%
Example: From 100 to 125 is a 25% increase
Apply Percentage Change
%
Change Amount: +
20.00
New Value: 120.00
Example: 100 increased by 20% = 120
Common Percentages Reference
10% = 1/10
Decimal: 0.10
25% = 1/4
Decimal: 0.25
50% = 1/2
Decimal: 0.50
75% = 3/4
Decimal: 0.75
20% = 1/5
Decimal: 0.20
33.3% = 1/3
Decimal: 0.333
66.7% = 2/3
Decimal: 0.667
100% = 1
Decimal: 1.00
Percentage Formulas
Basic Percentage:
(Percentage ÷ 100) × Value
Find Percentage:
(Part ÷ Whole) × 100
Percentage Change:
((New - Old) ÷ Old) × 100
Apply Change:
Value × (1 ± Percentage ÷ 100)