17.93% is the change from 686 to 809
Calculation steps:
[( 809 - 686 ) ÷ 686] x 100 = 17.93%
Formula
Percentage change = [(809 - 686) / 686] x 100
Subtract the new number by the original number
809 - 686 = 123
123 ÷ 686 = 0.1793002915451895
0.1793002915451895 x 100 = 17.93%