6.9% is the change from 522 to 558
Calculation steps:
[( 558 - 522 ) ÷ 522] x 100 = 6.9%
Formula
Percentage change = [(558 - 522) / 522] x 100
Subtract the new number by the original number
558 - 522 = 36
36 ÷ 522 = 0.06896551724137931
0.06896551724137931 x 100 = 6.9%