-19.91% is the change from 879 to 704
Calculation steps:
[( 704 - 879 ) ÷ 879] x 100 = -19.91%
Formula
Percentage change = [(704 - 879) / 879] x 100
Subtract the new number by the original number
704 - 879 = -175
-175 ÷ 879 = -0.19908987485779295
-0.19908987485779295 x 100 = -19.91%