22.1% is the change from 525 to 641
Calculation steps:
[( 641 - 525 ) ÷ 525] x 100 = 22.1%
Formula
Percentage change = [(641 - 525) / 525] x 100
Subtract the new number by the original number
641 - 525 = 116
116 ÷ 525 = 0.22095238095238096
0.22095238095238096 x 100 = 22.1%