3810.53% is the change from 19 to 743
Calculation steps:
[( 743 - 19 ) ÷ 19] x 100 = 3810.53%
Formula
Percentage change = [(743 - 19) / 19] x 100
Subtract the new number by the original number
743 - 19 = 724
724 ÷ 19 = 38.10526315789474
38.10526315789474 x 100 = 3810.53%