39.47% is the change from 38 to 53
Calculation steps:
[( 53 - 38 ) ÷ 38] x 100 = 39.47%
Formula
Percentage change = [(53 - 38) / 38] x 100
Subtract the new number by the original number
53 - 38 = 15
15 ÷ 38 = 0.39473684210526316
0.39473684210526316 x 100 = 39.47%