2142.11% is the change from 19 to 426
Calculation steps:
[( 426 - 19 ) ÷ 19] x 100 = 2142.11%
Formula
Percentage change = [(426 - 19) / 19] x 100
Subtract the new number by the original number
426 - 19 = 407
407 ÷ 19 = 21.42105263157895
21.42105263157895 x 100 = 2142.11%