-21.39% is the change from 519 to 408
Calculation steps:
[( 408 - 519 ) ÷ 519] x 100 = -21.39%
Formula
Percentage change = [(408 - 519) / 519] x 100
Subtract the new number by the original number
408 - 519 = -111
-111 ÷ 519 = -0.2138728323699422
-0.2138728323699422 x 100 = -21.39%