8.25% is the change from 570 to 617
Calculation steps:
[( 617 - 570 ) ÷ 570] x 100 = 8.25%
Formula
Percentage change = [(617 - 570) / 570] x 100
Subtract the new number by the original number
617 - 570 = 47
47 ÷ 570 = 0.0824561403508772
0.0824561403508772 x 100 = 8.25%