-51.25% is the change from 519 to 253
Calculation steps:
[( 253 - 519 ) ÷ 519] x 100 = -51.25%
Formula
Percentage change = [(253 - 519) / 519] x 100
Subtract the new number by the original number
253 - 519 = -266
-266 ÷ 519 = -0.51252408477842
-0.51252408477842 x 100 = -51.25%