8.57% is the change from 525 to 570
Calculation steps:
[( 570 - 525 ) ÷ 525] x 100 = 8.57%
Formula
Percentage change = [(570 - 525) / 525] x 100
Subtract the new number by the original number
570 - 525 = 45
45 ÷ 525 = 0.08571428571428572
0.08571428571428572 x 100 = 8.57%