30.83% is the change from 373 to 488
Calculation steps:
[( 488 - 373 ) ÷ 373] x 100 = 30.83%
Formula
Percentage change = [(488 - 373) / 373] x 100
Subtract the new number by the original number
488 - 373 = 115
115 ÷ 373 = 0.30831099195710454
0.30831099195710454 x 100 = 30.83%