107.97% is the change from 389 to 809
Calculation steps:
[( 809 - 389 ) ÷ 389] x 100 = 107.97%
Formula
Percentage change = [(809 - 389) / 389] x 100
Subtract the new number by the original number
809 - 389 = 420
420 ÷ 389 = 1.0796915167095116
1.0796915167095116 x 100 = 107.97%