1564.1% is the change from 39 to 649
Calculation steps:
[( 649 - 39 ) ÷ 39] x 100 = 1564.1%
Formula
Percentage change = [(649 - 39) / 39] x 100
Subtract the new number by the original number
649 - 39 = 610
610 ÷ 39 = 15.64102564102564
15.64102564102564 x 100 = 1564.1%