1207.69% is the change from 39 to 510
Calculation steps:
[( 510 - 39 ) ÷ 39] x 100 = 1207.69%
Formula
Percentage change = [(510 - 39) / 39] x 100
Subtract the new number by the original number
510 - 39 = 471
471 ÷ 39 = 12.076923076923077
12.076923076923077 x 100 = 1207.69%