160% is the change from 20 to 52
Calculation steps:
[( 52 - 20 ) ÷ 20] x 100 = 160%
Formula
Percentage change = [(52 - 20) / 20] x 100
Subtract the new number by the original number
52 - 20 = 32
32 ÷ 20 = 1.6
1.6 x 100 = 160%
Example