2742.11% is the change from 19 to 540
Calculation steps:
[( 540 - 19 ) ÷ 19] x 100 = 2742.11%
Formula
Percentage change = [(540 - 19) / 19] x 100
Subtract the new number by the original number
540 - 19 = 521
521 ÷ 19 = 27.42105263157895
27.42105263157895 x 100 = 2742.11%