<p>Without seeing your essay it’s difficult to answer your question, but generally I would say that essays that focus on overcoming adversity can be very compelling. The admissions office will see your grades, there’s no hiding them-- if your essay is focused on how you’ve changed as an individual and the change in grades etc is only implied I would say that you’re fine.</p>
<p>It may make sense to read additional admissions essay examples to better get a sense for when it works to mention your grades in a “turn around” themed essay.</p>
<p>Best of luck!</p>