How to stop auto renewal of my Apple Music subscription

Your subscription hasn’t ended yet I believe you need to request a refund then canceling the subscription. https://support.apple.com/en-us/HT204084

but I highly recommend downloading the Apple support app and chatting with one with them explaining your problem. this always helps and will solve your problem.

hi

this May help https://support.apple.com/en-us/HT202039