-92.96% is the change from 398 to 28
Calculation steps:
[( 28 - 398 ) ÷ 398] x 100 = -92.96%
Formula
Percentage change = [(28 - 398) / 398] x 100
Subtract the new number by the original number
28 - 398 = -370
-370 ÷ 398 = -0.9296482412060302
-0.9296482412060302 x 100 = -92.96%