-19.32% is the change from 880 to 710
Calculation steps:
[( 710 - 880 ) ÷ 880] x 100 = -19.32%
Formula
Percentage change = [(710 - 880) / 880] x 100
Subtract the new number by the original number
710 - 880 = -170
-170 ÷ 880 = -0.19318181818181818
-0.19318181818181818 x 100 = -19.32%