-47.78% is the change from 519 to 271
Calculation steps:
[( 271 - 519 ) ÷ 519] x 100 = -47.78%
Formula
Percentage change = [(271 - 519) / 519] x 100
Subtract the new number by the original number
271 - 519 = -248
-248 ÷ 519 = -0.47784200385356457
-0.47784200385356457 x 100 = -47.78%