56.41% is the change from 39 to 61
Calculation steps:
[( 61 - 39 ) ÷ 39] x 100 = 56.41%
Formula
Percentage change = [(61 - 39) / 39] x 100
Subtract the new number by the original number
61 - 39 = 22
22 ÷ 39 = 0.5641025641025641
0.5641025641025641 x 100 = 56.41%