27.81% is the change from 392 to 501
Calculation steps:
[( 501 - 392 ) ÷ 392] x 100 = 27.81%
Formula
Percentage change = [(501 - 392) / 392] x 100
Subtract the new number by the original number
501 - 392 = 109
109 ÷ 392 = 0.2780612244897959
0.2780612244897959 x 100 = 27.81%