-17.3% is the change from 873 to 722
Calculation steps:
[( 722 - 873 ) ÷ 873] x 100 = -17.3%
Formula
Percentage change = [(722 - 873) / 873] x 100
Subtract the new number by the original number
722 - 873 = -151
-151 ÷ 873 = -0.1729667812142039
-0.1729667812142039 x 100 = -17.3%