100.77% is the change from 388 to 779
Calculation steps:
[( 779 - 388 ) ÷ 388] x 100 = 100.77%
Formula
Percentage change = [(779 - 388) / 388] x 100
Subtract the new number by the original number
779 - 388 = 391
391 ÷ 388 = 1.0077319587628866
1.0077319587628866 x 100 = 100.77%