39.43% is the change from 388 to 541
Calculation steps:
[( 541 - 388 ) ÷ 388] x 100 = 39.43%
Formula
Percentage change = [(541 - 388) / 388] x 100
Subtract the new number by the original number
541 - 388 = 153
153 ÷ 388 = 0.3943298969072165
0.3943298969072165 x 100 = 39.43%