-10.44% is the change from 766 to 686
Calculation steps:
[( 686 - 766 ) ÷ 766] x 100 = -10.44%
Formula
Percentage change = [(686 - 766) / 766] x 100
Subtract the new number by the original number
686 - 766 = -80
-80 ÷ 766 = -0.10443864229765012
-0.10443864229765012 x 100 = -10.44%