Study.com charged me another month without my consent

[Livia_Drusila]

I know this is how it works now, and I feel so stupid. But I put my debit card information in for a month's worth of the "College Saver" plan and assumed it would ask for permission if I wanted to renew for another month. However it just automatically charged me another $235. I have no use for the website anymore as I already completed the course that I meant to take (and I also didn't enjoy their material, which I thought was very poorly written and full of redundant examples that made it a chore for me to read).

Did I just lose $235? It's been two days since it renewed automatically. Is there anything I can do to dispute the charge?