-27.18% is the change from 942 to 686
Calculation steps:
[( 686 - 942 ) ÷ 942] x 100 = -27.18%
Formula
Percentage change = [(686 - 942) / 942] x 100
Subtract the new number by the original number
686 - 942 = -256
-256 ÷ 942 = -0.27176220806794055
-0.27176220806794055 x 100 = -27.18%