-80.32% is the change from 879 to 173
Calculation steps:
[( 173 - 879 ) ÷ 879] x 100 = -80.32%
Formula
Percentage change = [(173 - 879) / 879] x 100
Subtract the new number by the original number
173 - 879 = -706
-706 ÷ 879 = -0.8031854379977247
-0.8031854379977247 x 100 = -80.32%