-36.63% is the change from 404 to 256
Calculation steps:
[( 256 - 404 ) ÷ 404] x 100 = -36.63%
Formula
Percentage change = [(256 - 404) / 404] x 100
Subtract the new number by the original number
256 - 404 = -148
-148 ÷ 404 = -0.36633663366336633
-0.36633663366336633 x 100 = -36.63%