-2.7% is the change from 519 to 505
Calculation steps:
[( 505 - 519 ) ÷ 519] x 100 = -2.7%
Formula
Percentage change = [(505 - 519) / 519] x 100
Subtract the new number by the original number
505 - 519 = -14
-14 ÷ 519 = -0.02697495183044316
-0.02697495183044316 x 100 = -2.7%