7.47% is the change from 388 to 417
Calculation steps:
[( 417 - 388 ) ÷ 388] x 100 = 7.47%
Formula
Percentage change = [(417 - 388) / 388] x 100
Subtract the new number by the original number
417 - 388 = 29
29 ÷ 388 = 0.07474226804123711
0.07474226804123711 x 100 = 7.47%