-22.74% is the change from 686 to 530
Calculation steps:
[( 530 - 686 ) ÷ 686] x 100 = -22.74%
Formula
Percentage change = [(530 - 686) / 686] x 100
Subtract the new number by the original number
530 - 686 = -156
-156 ÷ 686 = -0.22740524781341107
-0.22740524781341107 x 100 = -22.74%