585% is the change from 20 to 137
Calculation steps:
[( 137 - 20 ) ÷ 20] x 100 = 585%
Formula
Percentage change = [(137 - 20) / 20] x 100
Subtract the new number by the original number
137 - 20 = 117
117 ÷ 20 = 5.85
5.85 x 100 = 585%
Example