1220.51% is the change from 39 to 515
Calculation steps:
[( 515 - 39 ) ÷ 39] x 100 = 1220.51%
Formula
Percentage change = [(515 - 39) / 39] x 100
Subtract the new number by the original number
515 - 39 = 476
476 ÷ 39 = 12.205128205128204
12.205128205128204 x 100 = 1220.51%