Is that a crypto-related scam e.g a transaction between Paypal to crypto or vice versa? If yes, you can also move the thread here: Scam Accusations and follow the proper format of posting scam details.

Contact Paypal and sees if there's anything they can do to help you. They are the only one who can help you with your situation.

Chances of getting back your funds depend on how well you provide the information to them.