-13.57% is the change from 796 to 688
Calculation steps:
[( 688 - 796 ) ÷ 796] x 100 = -13.57%
Formula
Percentage change = [(688 - 796) / 796] x 100
Subtract the new number by the original number
688 - 796 = -108
-108 ÷ 796 = -0.135678391959799
-0.135678391959799 x 100 = -13.57%