-11.96% is the change from 878 to 773
Calculation steps:
[( 773 - 878 ) ÷ 878] x 100 = -11.96%
Formula
Percentage change = [(773 - 878) / 878] x 100
Subtract the new number by the original number
773 - 878 = -105
-105 ÷ 878 = -0.11958997722095673
-0.11958997722095673 x 100 = -11.96%