-26.79% is the change from 937 to 686
Calculation steps:
[( 686 - 937 ) ÷ 937] x 100 = -26.79%
Formula
Percentage change = [(686 - 937) / 937] x 100
Subtract the new number by the original number
686 - 937 = -251
-251 ÷ 937 = -0.2678762006403415
-0.2678762006403415 x 100 = -26.79%