24.81% is the change from 391 to 488
Calculation steps:
[( 488 - 391 ) ÷ 391] x 100 = 24.81%
Formula
Percentage change = [(488 - 391) / 391] x 100
Subtract the new number by the original number
488 - 391 = 97
97 ÷ 391 = 0.24808184143222506
0.24808184143222506 x 100 = 24.81%