-95.23% is the change from 398 to 19
Calculation steps:
[( 19 - 398 ) ÷ 398] x 100 = -95.23%
Formula
Percentage change = [(19 - 398) / 398] x 100
Subtract the new number by the original number
19 - 398 = -379
-379 ÷ 398 = -0.9522613065326633
-0.9522613065326633 x 100 = -95.23%