Simple....
to find the answer to this use these two formulas...
Markdown= New-Old
Markdown%=[tex] \frac{Markdown}{New} *100[/tex]
In this problem:
440-154=286
Markdown%=[tex] \frac{286}{440} *100[/tex]
Markdown%=0.65*100
Markdown%=65%
Thus, your answer.
