-98.46% is the change from 519 to 8
Calculation steps:
[( 8 - 519 ) ÷ 519] x 100 = -98.46%
Formula
Percentage change = [(8 - 519) / 519] x 100
Subtract the new number by the original number
8 - 519 = -511
-511 ÷ 519 = -0.9845857418111753
-0.9845857418111753 x 100 = -98.46%