9.44% is the change from 858 to 939
Calculation steps:
[( 939 - 858 ) ÷ 858] x 100 = 9.44%
Formula
Percentage change = [(939 - 858) / 858] x 100
Subtract the new number by the original number
939 - 858 = 81
81 ÷ 858 = 0.0944055944055944
0.0944055944055944 x 100 = 9.44%