2.21% is the change from 858 to 877
Calculation steps:
[( 877 - 858 ) ÷ 858] x 100 = 2.21%
Formula
Percentage change = [(877 - 858) / 858] x 100
Subtract the new number by the original number
877 - 858 = 19
19 ÷ 858 = 0.022144522144522144
0.022144522144522144 x 100 = 2.21%