51.28% is the change from 39 to 59
Calculation steps:
[( 59 - 39 ) ÷ 39] x 100 = 51.28%
Formula
Percentage change = [(59 - 39) / 39] x 100
Subtract the new number by the original number
59 - 39 = 20
20 ÷ 39 = 0.5128205128205128
0.5128205128205128 x 100 = 51.28%