256.41% is the change from 39 to 139
Calculation steps:
[( 139 - 39 ) ÷ 39] x 100 = 256.41%
Formula
Percentage change = [(139 - 39) / 39] x 100
Subtract the new number by the original number
139 - 39 = 100
100 ÷ 39 = 2.5641025641025643
2.5641025641025643 x 100 = 256.41%