28.17% is the change from 394 to 505
Calculation steps:
[( 505 - 394 ) ÷ 394] x 100 = 28.17%
Formula
Percentage change = [(505 - 394) / 394] x 100
Subtract the new number by the original number
505 - 394 = 111
111 ÷ 394 = 0.2817258883248731
0.2817258883248731 x 100 = 28.17%