40.36% is the change from 394 to 553
Calculation steps:
[( 553 - 394 ) ÷ 394] x 100 = 40.36%
Formula
Percentage change = [(553 - 394) / 394] x 100
Subtract the new number by the original number
553 - 394 = 159
159 ÷ 394 = 0.4035532994923858
0.4035532994923858 x 100 = 40.36%