-19.23% is the change from 879 to 710
Calculation steps:
[( 710 - 879 ) ÷ 879] x 100 = -19.23%
Formula
Percentage change = [(710 - 879) / 879] x 100
Subtract the new number by the original number
710 - 879 = -169
-169 ÷ 879 = -0.19226393629124006
-0.19226393629124006 x 100 = -19.23%