3484.21% is the change from 19 to 681
Calculation steps:
[( 681 - 19 ) ÷ 19] x 100 = 3484.21%
Formula
Percentage change = [(681 - 19) / 19] x 100
Subtract the new number by the original number
681 - 19 = 662
662 ÷ 19 = 34.8421052631579
34.8421052631579 x 100 = 3484.21%