-5.39% is the change from 519 to 491
Calculation steps:
[( 491 - 519 ) ÷ 519] x 100 = -5.39%
Formula
Percentage change = [(491 - 519) / 519] x 100
Subtract the new number by the original number
491 - 519 = -28
-28 ÷ 519 = -0.05394990366088632
-0.05394990366088632 x 100 = -5.39%