3.68% is the change from 842 to 873
Calculation steps:
[( 873 - 842 ) ÷ 842] x 100 = 3.68%
Formula
Percentage change = [(873 - 842) / 842] x 100
Subtract the new number by the original number
873 - 842 = 31
31 ÷ 842 = 0.03681710213776722
0.03681710213776722 x 100 = 3.68%