635% is the change from 20 to 147
Calculation steps:
[( 147 - 20 ) ÷ 20] x 100 = 635%
Formula
Percentage change = [(147 - 20) / 20] x 100
Subtract the new number by the original number
147 - 20 = 127
127 ÷ 20 = 6.35
6.35 x 100 = 635%
Example