3.56% is the change from 842 to 872
Calculation steps:
[( 872 - 842 ) ÷ 842] x 100 = 3.56%
Formula
Percentage change = [(872 - 842) / 842] x 100
Subtract the new number by the original number
872 - 842 = 30
30 ÷ 842 = 0.035629453681710214
0.035629453681710214 x 100 = 3.56%