-67.96% is the change from 799 to 256
Calculation steps:
[( 256 - 799 ) ÷ 799] x 100 = -67.96%
Formula
Percentage change = [(256 - 799) / 799] x 100
Subtract the new number by the original number
256 - 799 = -543
-543 ÷ 799 = -0.6795994993742178
-0.6795994993742178 x 100 = -67.96%