-68.97% is the change from 825 to 256
Calculation steps:
[( 256 - 825 ) ÷ 825] x 100 = -68.97%
Formula
Percentage change = [(256 - 825) / 825] x 100
Subtract the new number by the original number
256 - 825 = -569
-569 ÷ 825 = -0.6896969696969697
-0.6896969696969697 x 100 = -68.97%