-98.49% is the change from 398 to 6
Calculation steps:
[( 6 - 398 ) ÷ 398] x 100 = -98.49%
Formula
Percentage change = [(6 - 398) / 398] x 100
Subtract the new number by the original number
6 - 398 = -392
-392 ÷ 398 = -0.9849246231155779
-0.9849246231155779 x 100 = -98.49%