4.38% is the change from 388 to 405
Calculation steps:
[( 405 - 388 ) ÷ 388] x 100 = 4.38%
Formula
Percentage change = [(405 - 388) / 388] x 100
Subtract the new number by the original number
405 - 388 = 17
17 ÷ 388 = 0.04381443298969072
0.04381443298969072 x 100 = 4.38%