-85.68% is the change from 398 to 57
Calculation steps:
[( 57 - 398 ) ÷ 398] x 100 = -85.68%
Formula
Percentage change = [(57 - 398) / 398] x 100
Subtract the new number by the original number
57 - 398 = -341
-341 ÷ 398 = -0.8567839195979899
-0.8567839195979899 x 100 = -85.68%