-17.75% is the change from 873 to 718
Calculation steps:
[( 718 - 873 ) ÷ 873] x 100 = -17.75%
Formula
Percentage change = [(718 - 873) / 873] x 100
Subtract the new number by the original number
718 - 873 = -155
-155 ÷ 873 = -0.1775486827033219
-0.1775486827033219 x 100 = -17.75%