37.56% is the change from 394 to 542
Calculation steps:
[( 542 - 394 ) ÷ 394] x 100 = 37.56%
Formula
Percentage change = [(542 - 394) / 394] x 100
Subtract the new number by the original number
542 - 394 = 148
148 ÷ 394 = 0.3756345177664975
0.3756345177664975 x 100 = 37.56%