40.86% is the change from 394 to 555
Calculation steps:
[( 555 - 394 ) ÷ 394] x 100 = 40.86%
Formula
Percentage change = [(555 - 394) / 394] x 100
Subtract the new number by the original number
555 - 394 = 161
161 ÷ 394 = 0.4086294416243655
0.4086294416243655 x 100 = 40.86%