-16.84% is the change from 879 to 731
Calculation steps:
[( 731 - 879 ) ÷ 879] x 100 = -16.84%
Formula
Percentage change = [(731 - 879) / 879] x 100
Subtract the new number by the original number
731 - 879 = -148
-148 ÷ 879 = -0.16837315130830488
-0.16837315130830488 x 100 = -16.84%