-98.25% is the change from 458 to 8
Calculation steps:
[( 8 - 458 ) ÷ 458] x 100 = -98.25%
Formula
Percentage change = [(8 - 458) / 458] x 100
Subtract the new number by the original number
8 - 458 = -450
-450 ÷ 458 = -0.982532751091703
-0.982532751091703 x 100 = -98.25%