-10.56% is the change from 767 to 686
Calculation steps:
[( 686 - 767 ) ÷ 767] x 100 = -10.56%
Formula
Percentage change = [(686 - 767) / 767] x 100
Subtract the new number by the original number
686 - 767 = -81
-81 ÷ 767 = -0.10560625814863103
-0.10560625814863103 x 100 = -10.56%