-21.58% is the change from 519 to 407
Calculation steps:
[( 407 - 519 ) ÷ 519] x 100 = -21.58%
Formula
Percentage change = [(407 - 519) / 519] x 100
Subtract the new number by the original number
407 - 519 = -112
-112 ÷ 519 = -0.21579961464354527
-0.21579961464354527 x 100 = -21.58%