-16.61% is the change from 873 to 728
Calculation steps:
[( 728 - 873 ) ÷ 873] x 100 = -16.61%
Formula
Percentage change = [(728 - 873) / 873] x 100
Subtract the new number by the original number
728 - 873 = -145
-145 ÷ 873 = -0.1660939289805269
-0.1660939289805269 x 100 = -16.61%