39.95% is the change from 388 to 543
Calculation steps:
[( 543 - 388 ) ÷ 388] x 100 = 39.95%
Formula
Percentage change = [(543 - 388) / 388] x 100
Subtract the new number by the original number
543 - 388 = 155
155 ÷ 388 = 0.39948453608247425
0.39948453608247425 x 100 = 39.95%