26.55% is the change from 388 to 491
Calculation steps:
[( 491 - 388 ) ÷ 388] x 100 = 26.55%
Formula
Percentage change = [(491 - 388) / 388] x 100
Subtract the new number by the original number
491 - 388 = 103
103 ÷ 388 = 0.2654639175257732
0.2654639175257732 x 100 = 26.55%