20.1% is the change from 388 to 466
Calculation steps:
[( 466 - 388 ) ÷ 388] x 100 = 20.1%
Formula
Percentage change = [(466 - 388) / 388] x 100
Subtract the new number by the original number
466 - 388 = 78
78 ÷ 388 = 0.20103092783505155
0.20103092783505155 x 100 = 20.1%