-19.11% is the change from 879 to 711
Calculation steps:
[( 711 - 879 ) ÷ 879] x 100 = -19.11%
Formula
Percentage change = [(711 - 879) / 879] x 100
Subtract the new number by the original number
711 - 879 = -168
-168 ÷ 879 = -0.19112627986348124
-0.19112627986348124 x 100 = -19.11%