-56.76% is the change from 599 to 259
Calculation steps:
[( 259 - 599 ) ÷ 599] x 100 = -56.76%
Formula
Percentage change = [(259 - 599) / 599] x 100
Subtract the new number by the original number
259 - 599 = -340
-340 ÷ 599 = -0.5676126878130217
-0.5676126878130217 x 100 = -56.76%