How to remove liftgate inside panel on 2011 CX-9?

Looking for advice on removing the plastic interior panel on my liftgate. I need to replace the backup camera which is accessible behind this. It doesn't budge easily and I don't want to break anything. I've gotten the upper panel and right side panel off (left side panel I need to remove the arm that powers the gate up/down, so advice on removing that too).

Thanks
 
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