This video shows the process of checking a submitted Canvas assignment for a TurnItIn similarity report. There is not a firm % the can differentiate plagiarized from non-plagiarized work. Knowing how to look at your Turnitin report can help you ensure the work being submitted is original work.

You might also consider checking out the MJC library guide on how to avoid plagiarism: https://libguides.mjc.edu/apa7/plagiarism

Please note that not all professors will allow you to resubmit if TurnItIn detects plagiarism.