30.81% is the change from 383 to 501
Calculation steps:
[( 501 - 383 ) ÷ 383] x 100 = 30.81%
Formula
Percentage change = [(501 - 383) / 383] x 100
Subtract the new number by the original number
501 - 383 = 118
118 ÷ 383 = 0.30809399477806787
0.30809399477806787 x 100 = 30.81%