Percentage
20%
- Percentage
- 0.2
- 1/5
20% is 0.2 as a decimal and 1/5 as a fraction. 20% of 100 is 20, and increasing a value by 20% means multiplying it by 1.2.
What this percentage means
20% of common amounts
of 102
of 204
of 5010
of 10020
of 25050
of 500100
of 1,000200
of 10,0002,000
Increases & decreases
Increase 100 by 20%120
Decrease 100 by 20%80
Multiplier for an increase× 1.2
Multiplier for a decrease× 0.8
Reverse an increase÷ 1.2 (that is × 0.83333333)adding then removing the same percentage does not return the original
Percentage that reverses a 20% rise16.666667%
Compounded over 10 periods× 6.19173642a 20% change applied ten times
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