655% is the change from 20 to 151
Calculation steps:
[( 151 - 20 ) ÷ 20] x 100 = 655%
Formula
Percentage change = [(151 - 20) / 20] x 100
Subtract the new number by the original number
151 - 20 = 131
131 ÷ 20 = 6.55
6.55 x 100 = 655%
Example