4.37% is the change from 870 to 908
Calculation steps:
[( 908 - 870 ) ÷ 870] x 100 = 4.37%
Formula
Percentage change = [(908 - 870) / 870] x 100
Subtract the new number by the original number
908 - 870 = 38
38 ÷ 870 = 0.04367816091954023
0.04367816091954023 x 100 = 4.37%