15.99% is the change from 394 to 457
Calculation steps:
[( 457 - 394 ) ÷ 394] x 100 = 15.99%
Formula
Percentage change = [(457 - 394) / 394] x 100
Subtract the new number by the original number
457 - 394 = 63
63 ÷ 394 = 0.1598984771573604
0.1598984771573604 x 100 = 15.99%