-10.48% is the change from 868 to 777
Calculation steps:
[( 777 - 868 ) ÷ 868] x 100 = -10.48%
Formula
Percentage change = [(777 - 868) / 868] x 100
Subtract the new number by the original number
777 - 868 = -91
-91 ÷ 868 = -0.10483870967741936
-0.10483870967741936 x 100 = -10.48%