1489.74% is the change from 39 to 620
Calculation steps:
[( 620 - 39 ) ÷ 39] x 100 = 1489.74%
Formula
Percentage change = [(620 - 39) / 39] x 100
Subtract the new number by the original number
620 - 39 = 581
581 ÷ 39 = 14.897435897435898
14.897435897435898 x 100 = 1489.74%