3.85% is the change from 779 to 809
Calculation steps:
[( 809 - 779 ) ÷ 779] x 100 = 3.85%
Formula
Percentage change = [(809 - 779) / 779] x 100
Subtract the new number by the original number
809 - 779 = 30
30 ÷ 779 = 0.038510911424903725
0.038510911424903725 x 100 = 3.85%