1643.59% is the change from 39 to 680
Calculation steps:
[( 680 - 39 ) ÷ 39] x 100 = 1643.59%
Formula
Percentage change = [(680 - 39) / 39] x 100
Subtract the new number by the original number
680 - 39 = 641
641 ÷ 39 = 16.435897435897434
16.435897435897434 x 100 = 1643.59%