-13.68% is the change from 519 to 448
Calculation steps:
[( 448 - 519 ) ÷ 519] x 100 = -13.68%
Formula
Percentage change = [(448 - 519) / 519] x 100
Subtract the new number by the original number
448 - 519 = -71
-71 ÷ 519 = -0.13680154142581888
-0.13680154142581888 x 100 = -13.68%