-96.53% is the change from 519 to 18
Calculation steps:
[( 18 - 519 ) ÷ 519] x 100 = -96.53%
Formula
Percentage change = [(18 - 519) / 519] x 100
Subtract the new number by the original number
18 - 519 = -501
-501 ÷ 519 = -0.9653179190751445
-0.9653179190751445 x 100 = -96.53%