-10.81% is the change from 768 to 685
Calculation steps:
[( 685 - 768 ) ÷ 768] x 100 = -10.81%
Formula
Percentage change = [(685 - 768) / 768] x 100
Subtract the new number by the original number
685 - 768 = -83
-83 ÷ 768 = -0.10807291666666667
-0.10807291666666667 x 100 = -10.81%