9.21% is the change from 858 to 937
Calculation steps:
[( 937 - 858 ) ÷ 858] x 100 = 9.21%
Formula
Percentage change = [(937 - 858) / 858] x 100
Subtract the new number by the original number
937 - 858 = 79
79 ÷ 858 = 0.09207459207459208
0.09207459207459208 x 100 = 9.21%