-98.14% is the change from 431 to 8
Calculation steps:
[( 8 - 431 ) ÷ 431] x 100 = -98.14%
Formula
Percentage change = [(8 - 431) / 431] x 100
Subtract the new number by the original number
8 - 431 = -423
-423 ÷ 431 = -0.9814385150812065
-0.9814385150812065 x 100 = -98.14%