27.41% is the change from 394 to 502
Calculation steps:
[( 502 - 394 ) ÷ 394] x 100 = 27.41%
Formula
Percentage change = [(502 - 394) / 394] x 100
Subtract the new number by the original number
502 - 394 = 108
108 ÷ 394 = 0.27411167512690354
0.27411167512690354 x 100 = 27.41%