15.98% is the change from 388 to 450
Calculation steps:
[( 450 - 388 ) ÷ 388] x 100 = 15.98%
Formula
Percentage change = [(450 - 388) / 388] x 100
Subtract the new number by the original number
450 - 388 = 62
62 ÷ 388 = 0.15979381443298968
0.15979381443298968 x 100 = 15.98%