2.1% is the change from 858 to 876
Calculation steps:
[( 876 - 858 ) ÷ 858] x 100 = 2.1%
Formula
Percentage change = [(876 - 858) / 858] x 100
Subtract the new number by the original number
876 - 858 = 18
18 ÷ 858 = 0.02097902097902098
0.02097902097902098 x 100 = 2.1%