-26.57% is the change from 937 to 688
Calculation steps:
[( 688 - 937 ) ÷ 937] x 100 = -26.57%
Formula
Percentage change = [(688 - 937) / 937] x 100
Subtract the new number by the original number
688 - 937 = -249
-249 ÷ 937 = -0.2657417289220918
-0.2657417289220918 x 100 = -26.57%