22.5% is the change from 809 to 991
Calculation steps:
[( 991 - 809 ) ÷ 809] x 100 = 22.5%
Formula
Percentage change = [(991 - 809) / 809] x 100
Subtract the new number by the original number
991 - 809 = 182
182 ÷ 809 = 0.2249690976514215
0.2249690976514215 x 100 = 22.5%