401.51% is the change from 199 to 998
Calculation steps:
[( 998 - 199 ) ÷ 199] x 100 = 401.51%
Formula
Percentage change = [(998 - 199) / 199] x 100
Subtract the new number by the original number
998 - 199 = 799
799 ÷ 199 = 4.015075376884422
4.015075376884422 x 100 = 401.51%