111.53% is the change from 399 to 844
Calculation steps:
[( 844 - 399 ) ÷ 399] x 100 = 111.53%
Formula
Percentage change = [(844 - 399) / 399] x 100
Subtract the new number by the original number
844 - 399 = 445
445 ÷ 399 = 1.1152882205513786
1.1152882205513786 x 100 = 111.53%