-88.25% is the change from 519 to 61
Calculation steps:
[( 61 - 519 ) ÷ 519] x 100 = -88.25%
Formula
Percentage change = [(61 - 519) / 519] x 100
Subtract the new number by the original number
61 - 519 = -458
-458 ÷ 519 = -0.882466281310212
-0.882466281310212 x 100 = -88.25%