-49.33% is the change from 519 to 263
Calculation steps:
[( 263 - 519 ) ÷ 519] x 100 = -49.33%
Formula
Percentage change = [(263 - 519) / 519] x 100
Subtract the new number by the original number
263 - 519 = -256
-256 ÷ 519 = -0.4932562620423892
-0.4932562620423892 x 100 = -49.33%