19.5% is the change from 677 to 809
Calculation steps:
[( 809 - 677 ) ÷ 677] x 100 = 19.5%
Formula
Percentage change = [(809 - 677) / 677] x 100
Subtract the new number by the original number
809 - 677 = 132
132 ÷ 677 = 0.19497784342688332
0.19497784342688332 x 100 = 19.5%