8.95% is the change from 570 to 621
Calculation steps:
[( 621 - 570 ) ÷ 570] x 100 = 8.95%
Formula
Percentage change = [(621 - 570) / 570] x 100
Subtract the new number by the original number
621 - 570 = 51
51 ÷ 570 = 0.08947368421052632
0.08947368421052632 x 100 = 8.95%