25.71% is the change from 525 to 660
Calculation steps:
[( 660 - 525 ) ÷ 525] x 100 = 25.71%
Formula
Percentage change = [(660 - 525) / 525] x 100
Subtract the new number by the original number
660 - 525 = 135
135 ÷ 525 = 0.2571428571428571
0.2571428571428571 x 100 = 25.71%