28.06% is the change from 392 to 502
Calculation steps:
[( 502 - 392 ) ÷ 392] x 100 = 28.06%
Formula
Percentage change = [(502 - 392) / 392] x 100
Subtract the new number by the original number
502 - 392 = 110
110 ÷ 392 = 0.28061224489795916
0.28061224489795916 x 100 = 28.06%