100.26% is the change from 389 to 779
Calculation steps:
[( 779 - 389 ) ÷ 389] x 100 = 100.26%
Formula
Percentage change = [(779 - 389) / 389] x 100
Subtract the new number by the original number
779 - 389 = 390
390 ÷ 389 = 1.0025706940874035
1.0025706940874035 x 100 = 100.26%