40.1% is the change from 394 to 552
Calculation steps:
[( 552 - 394 ) ÷ 394] x 100 = 40.1%
Formula
Percentage change = [(552 - 394) / 394] x 100
Subtract the new number by the original number
552 - 394 = 158
158 ÷ 394 = 0.4010152284263959
0.4010152284263959 x 100 = 40.1%