-11.48% is the change from 775 to 686
Calculation steps:
[( 686 - 775 ) ÷ 775] x 100 = -11.48%
Formula
Percentage change = [(686 - 775) / 775] x 100
Subtract the new number by the original number
686 - 775 = -89
-89 ÷ 775 = -0.11483870967741935
-0.11483870967741935 x 100 = -11.48%