-53.86% is the change from 518 to 239
Calculation steps:
[( 239 - 518 ) ÷ 518] x 100 = -53.86%
Formula
Percentage change = [(239 - 518) / 518] x 100
Subtract the new number by the original number
239 - 518 = -279
-279 ÷ 518 = -0.5386100386100386
-0.5386100386100386 x 100 = -53.86%