-19.57% is the change from 879 to 707
Calculation steps:
[( 707 - 879 ) ÷ 879] x 100 = -19.57%
Formula
Percentage change = [(707 - 879) / 879] x 100
Subtract the new number by the original number
707 - 879 = -172
-172 ÷ 879 = -0.1956769055745165
-0.1956769055745165 x 100 = -19.57%