-51.86% is the change from 538 to 259
Calculation steps:
[( 259 - 538 ) ÷ 538] x 100 = -51.86%
Formula
Percentage change = [(259 - 538) / 538] x 100
Subtract the new number by the original number
259 - 538 = -279
-279 ÷ 538 = -0.5185873605947955
-0.5185873605947955 x 100 = -51.86%