3.9% is the change from 872 to 906
Calculation steps:
[( 906 - 872 ) ÷ 872] x 100 = 3.9%
Formula
Percentage change = [(906 - 872) / 872] x 100
Subtract the new number by the original number
906 - 872 = 34
34 ÷ 872 = 0.0389908256880734
0.0389908256880734 x 100 = 3.9%