-55.88% is the change from 587 to 259
Calculation steps:
[( 259 - 587 ) ÷ 587] x 100 = -55.88%
Formula
Percentage change = [(259 - 587) / 587] x 100
Subtract the new number by the original number
259 - 587 = -328
-328 ÷ 587 = -0.5587734241908007
-0.5587734241908007 x 100 = -55.88%