-19.65% is the change from 519 to 417
Calculation steps:
[( 417 - 519 ) ÷ 519] x 100 = -19.65%
Formula
Percentage change = [(417 - 519) / 519] x 100
Subtract the new number by the original number
417 - 519 = -102
-102 ÷ 519 = -0.19653179190751446
-0.19653179190751446 x 100 = -19.65%