4400% is the change from 19 to 855
Calculation steps:
[( 855 - 19 ) ÷ 19] x 100 = 4400%
Formula
Percentage change = [(855 - 19) / 19] x 100
Subtract the new number by the original number
855 - 19 = 836
836 ÷ 19 = 44
44 x 100 = 4400%
Example