-12.53% is the change from 878 to 768
Calculation steps:
[( 768 - 878 ) ÷ 878] x 100 = -12.53%
Formula
Percentage change = [(768 - 878) / 878] x 100
Subtract the new number by the original number
768 - 878 = -110
-110 ÷ 878 = -0.1252847380410023
-0.1252847380410023 x 100 = -12.53%