4310.53% is the change from 19 to 838
Calculation steps:
[( 838 - 19 ) ÷ 19] x 100 = 4310.53%
Formula
Percentage change = [(838 - 19) / 19] x 100
Subtract the new number by the original number
838 - 19 = 819
819 ÷ 19 = 43.10526315789474
43.10526315789474 x 100 = 4310.53%