-44.4% is the change from 518 to 288
Calculation steps:
[( 288 - 518 ) ÷ 518] x 100 = -44.4%
Formula
Percentage change = [(288 - 518) / 518] x 100
Subtract the new number by the original number
288 - 518 = -230
-230 ÷ 518 = -0.444015444015444
-0.444015444015444 x 100 = -44.4%