-68.64% is the change from 826 to 259
Calculation steps:
[( 259 - 826 ) ÷ 826] x 100 = -68.64%
Formula
Percentage change = [(259 - 826) / 826] x 100
Subtract the new number by the original number
259 - 826 = -567
-567 ÷ 826 = -0.6864406779661016
-0.6864406779661016 x 100 = -68.64%