-20.69% is the change from 865 to 686
Calculation steps:
[( 686 - 865 ) ÷ 865] x 100 = -20.69%
Formula
Percentage change = [(686 - 865) / 865] x 100
Subtract the new number by the original number
686 - 865 = -179
-179 ÷ 865 = -0.2069364161849711
-0.2069364161849711 x 100 = -20.69%