42.27% is the change from 388 to 552
Calculation steps:
[( 552 - 388 ) ÷ 388] x 100 = 42.27%
Formula
Percentage change = [(552 - 388) / 388] x 100
Subtract the new number by the original number
552 - 388 = 164
164 ÷ 388 = 0.422680412371134
0.422680412371134 x 100 = 42.27%