-98.13% is the change from 427 to 8
Calculation steps:
[( 8 - 427 ) ÷ 427] x 100 = -98.13%
Formula
Percentage change = [(8 - 427) / 427] x 100
Subtract the new number by the original number
8 - 427 = -419
-419 ÷ 427 = -0.9812646370023419
-0.9812646370023419 x 100 = -98.13%