-10.25% is the change from 868 to 779
Calculation steps:
[( 779 - 868 ) ÷ 868] x 100 = -10.25%
Formula
Percentage change = [(779 - 868) / 868] x 100
Subtract the new number by the original number
779 - 868 = -89
-89 ÷ 868 = -0.10253456221198157
-0.10253456221198157 x 100 = -10.25%