550% is the change from 20 to 130
Calculation steps:
[( 130 - 20 ) ÷ 20] x 100 = 550%
Formula
Percentage change = [(130 - 20) / 20] x 100
Subtract the new number by the original number
130 - 20 = 110
110 ÷ 20 = 5.5
5.5 x 100 = 550%
Example