-11.52% is the change from 868 to 768
Calculation steps:
[( 768 - 868 ) ÷ 868] x 100 = -11.52%
Formula
Percentage change = [(768 - 868) / 868] x 100
Subtract the new number by the original number
768 - 868 = -100
-100 ÷ 868 = -0.1152073732718894
-0.1152073732718894 x 100 = -11.52%