-68.68% is the change from 827 to 259
Calculation steps:
[( 259 - 827 ) ÷ 827] x 100 = -68.68%
Formula
Percentage change = [(259 - 827) / 827] x 100
Subtract the new number by the original number
259 - 827 = -568
-568 ÷ 827 = -0.686819830713422
-0.686819830713422 x 100 = -68.68%