-19.59% is the change from 878 to 706
Calculation steps:
[( 706 - 878 ) ÷ 878] x 100 = -19.59%
Formula
Percentage change = [(706 - 878) / 878] x 100
Subtract the new number by the original number
706 - 878 = -172
-172 ÷ 878 = -0.1958997722095672
-0.1958997722095672 x 100 = -19.59%