4.9% is the change from 858 to 900
Calculation steps:
[( 900 - 858 ) ÷ 858] x 100 = 4.9%
Formula
Percentage change = [(900 - 858) / 858] x 100
Subtract the new number by the original number
900 - 858 = 42
42 ÷ 858 = 0.04895104895104895
0.04895104895104895 x 100 = 4.9%