1210.26% is the change from 39 to 511
Calculation steps:
[( 511 - 39 ) ÷ 39] x 100 = 1210.26%
Formula
Percentage change = [(511 - 39) / 39] x 100
Subtract the new number by the original number
511 - 39 = 472
472 ÷ 39 = 12.102564102564102
12.102564102564102 x 100 = 1210.26%