2.22% is the change from 809 to 827
Calculation steps:
[( 827 - 809 ) ÷ 809] x 100 = 2.22%
Formula
Percentage change = [(827 - 809) / 809] x 100
Subtract the new number by the original number
827 - 809 = 18
18 ÷ 809 = 0.022249690976514216
0.022249690976514216 x 100 = 2.22%