2400% is the change from 19 to 475
Calculation steps:
[( 475 - 19 ) ÷ 19] x 100 = 2400%
Formula
Percentage change = [(475 - 19) / 19] x 100
Subtract the new number by the original number
475 - 19 = 456
456 ÷ 19 = 24
24 x 100 = 2400%
Example