-6.9% is the change from 522 to 486
Calculation steps:
[( 486 - 522 ) ÷ 522] x 100 = -6.9%
Formula
Percentage change = [(486 - 522) / 522] x 100
Subtract the new number by the original number
486 - 522 = -36
-36 ÷ 522 = -0.06896551724137931
-0.06896551724137931 x 100 = -6.9%