-21% is the change from 519 to 410
Calculation steps:
[( 410 - 519 ) ÷ 519] x 100 = -21%
Formula
Percentage change = [(410 - 519) / 519] x 100
Subtract the new number by the original number
410 - 519 = -109
-109 ÷ 519 = -0.21001926782273603
-0.21001926782273603 x 100 = -21%