31.34% is the change from 434 to 570
Calculation steps:
[( 570 - 434 ) ÷ 434] x 100 = 31.34%
Formula
Percentage change = [(570 - 434) / 434] x 100
Subtract the new number by the original number
570 - 434 = 136
136 ÷ 434 = 0.31336405529953915
0.31336405529953915 x 100 = 31.34%