22.21% is the change from 662 to 809
Calculation steps:
[( 809 - 662 ) ÷ 662] x 100 = 22.21%
Formula
Percentage change = [(809 - 662) / 662] x 100
Subtract the new number by the original number
809 - 662 = 147
147 ÷ 662 = 0.22205438066465258
0.22205438066465258 x 100 = 22.21%