-98.64% is the change from 587 to 8
Calculation steps:
[( 8 - 587 ) ÷ 587] x 100 = -98.64%
Formula
Percentage change = [(8 - 587) / 587] x 100
Subtract the new number by the original number
8 - 587 = -579
-579 ÷ 587 = -0.9863713798977853
-0.9863713798977853 x 100 = -98.64%