You can send a refund request to your freelancer at any time or open a dispute as well. If you would like a dispute to be opened let me know here and our team will assist you further. To learn more about how to request a refund, check out this Help Article. Thank you.
The easiest way to get money back is to TALK to the freelancer first.
If they finished 50% of the job, then ask if they can refund 50% of the money. Then you close the contract, and when you see field for how much money to release, you edit the amount to be 50%.
Then finalize closing contract. The freelancer will get a refund request, click that they agree, and you get the money within five business days.