-79.52% is the change from 879 to 180
Calculation steps:
[( 180 - 879 ) ÷ 879] x 100 = -79.52%
Formula
Percentage change = [(180 - 879) / 879] x 100
Subtract the new number by the original number
180 - 879 = -699
-699 ÷ 879 = -0.7952218430034129
-0.7952218430034129 x 100 = -79.52%