-17.18% is the change from 873 to 723
Calculation steps:
[( 723 - 873 ) ÷ 873] x 100 = -17.18%
Formula
Percentage change = [(723 - 873) / 873] x 100
Subtract the new number by the original number
723 - 873 = -150
-150 ÷ 873 = -0.1718213058419244
-0.1718213058419244 x 100 = -17.18%