-98.14% is the change from 430 to 8
Calculation steps:
[( 8 - 430 ) ÷ 430] x 100 = -98.14%
Formula
Percentage change = [(8 - 430) / 430] x 100
Subtract the new number by the original number
8 - 430 = -422
-422 ÷ 430 = -0.9813953488372092
-0.9813953488372092 x 100 = -98.14%