38.4% is the change from 388 to 537
Calculation steps:
[( 537 - 388 ) ÷ 388] x 100 = 38.4%
Formula
Percentage change = [(537 - 388) / 388] x 100
Subtract the new number by the original number
537 - 388 = 149
149 ÷ 388 = 0.38402061855670105
0.38402061855670105 x 100 = 38.4%