-49.13% is the change from 519 to 264
Calculation steps:
[( 264 - 519 ) ÷ 519] x 100 = -49.13%
Formula
Percentage change = [(264 - 519) / 519] x 100
Subtract the new number by the original number
264 - 519 = -255
-255 ÷ 519 = -0.4913294797687861
-0.4913294797687861 x 100 = -49.13%