-17.15% is the change from 519 to 430
Calculation steps:
[( 430 - 519 ) ÷ 519] x 100 = -17.15%
Formula
Percentage change = [(430 - 519) / 519] x 100
Subtract the new number by the original number
430 - 519 = -89
-89 ÷ 519 = -0.17148362235067438
-0.17148362235067438 x 100 = -17.15%