3.55% is the change from 873 to 904
Calculation steps:
[( 904 - 873 ) ÷ 873] x 100 = 3.55%
Formula
Percentage change = [(904 - 873) / 873] x 100
Subtract the new number by the original number
904 - 873 = 31
31 ÷ 873 = 0.035509736540664374
0.035509736540664374 x 100 = 3.55%