-24.28% is the change from 906 to 686
Calculation steps:
[( 686 - 906 ) ÷ 906] x 100 = -24.28%
Formula
Percentage change = [(686 - 906) / 906] x 100
Subtract the new number by the original number
686 - 906 = -220
-220 ÷ 906 = -0.24282560706401765
-0.24282560706401765 x 100 = -24.28%