-3.32% is the change from 903 to 873
Calculation steps:
[( 873 - 903 ) ÷ 903] x 100 = -3.32%
Formula
Percentage change = [(873 - 903) / 903] x 100
Subtract the new number by the original number
873 - 903 = -30
-30 ÷ 903 = -0.03322259136212625
-0.03322259136212625 x 100 = -3.32%