-97.3% is the change from 519 to 14
Calculation steps:
[( 14 - 519 ) ÷ 519] x 100 = -97.3%
Formula
Percentage change = [(14 - 519) / 519] x 100
Subtract the new number by the original number
14 - 519 = -505
-505 ÷ 519 = -0.9730250481695568
-0.9730250481695568 x 100 = -97.3%