-98.25% is the change from 457 to 8
Calculation steps:
[( 8 - 457 ) ÷ 457] x 100 = -98.25%
Formula
Percentage change = [(8 - 457) / 457] x 100
Subtract the new number by the original number
8 - 457 = -449
-449 ÷ 457 = -0.9824945295404814
-0.9824945295404814 x 100 = -98.25%