-8.78% is the change from 752 to 686
Calculation steps:
[( 686 - 752 ) ÷ 752] x 100 = -8.78%
Formula
Percentage change = [(686 - 752) / 752] x 100
Subtract the new number by the original number
686 - 752 = -66
-66 ÷ 752 = -0.08776595744680851
-0.08776595744680851 x 100 = -8.78%