4.9% is the change from 388 to 407
Calculation steps:
[( 407 - 388 ) ÷ 388] x 100 = 4.9%
Formula
Percentage change = [(407 - 388) / 388] x 100
Subtract the new number by the original number
407 - 388 = 19
19 ÷ 388 = 0.04896907216494845
0.04896907216494845 x 100 = 4.9%