1.72% is the change from 522 to 531
Calculation steps:
[( 531 - 522 ) ÷ 522] x 100 = 1.72%
Formula
Percentage change = [(531 - 522) / 522] x 100
Subtract the new number by the original number
531 - 522 = 9
9 ÷ 522 = 0.017241379310344827
0.017241379310344827 x 100 = 1.72%