1748.72% is the change from 39 to 721
Calculation steps:
[( 721 - 39 ) ÷ 39] x 100 = 1748.72%
Formula
Percentage change = [(721 - 39) / 39] x 100
Subtract the new number by the original number
721 - 39 = 682
682 ÷ 39 = 17.487179487179485
17.487179487179485 x 100 = 1748.72%