35.9% is the change from 39 to 53
Calculation steps:
[( 53 - 39 ) ÷ 39] x 100 = 35.9%
Formula
Percentage change = [(53 - 39) / 39] x 100
Subtract the new number by the original number
53 - 39 = 14
14 ÷ 39 = 0.358974358974359
0.358974358974359 x 100 = 35.9%