8.39% is the change from 858 to 930
Calculation steps:
[( 930 - 858 ) ÷ 858] x 100 = 8.39%
Formula
Percentage change = [(930 - 858) / 858] x 100
Subtract the new number by the original number
930 - 858 = 72
72 ÷ 858 = 0.08391608391608392
0.08391608391608392 x 100 = 8.39%