570% is the change from 20 to 134
Calculation steps:
[( 134 - 20 ) ÷ 20] x 100 = 570%
Formula
Percentage change = [(134 - 20) / 20] x 100
Subtract the new number by the original number
134 - 20 = 114
114 ÷ 20 = 5.7
5.7 x 100 = 570%
Example