Yes,
You stopped the subscription after the renewal.
You should cancel subscriptions 24h before renewal to be 100% sure.
See:
How to cancel a subscription from Apple - Apple Support
If you signed up for a free or discounted trial subscription and you don't want to renew it, cancel it at least 24 hours before the trial ends.
You can request a refund by following the steps in this guide:
Request a refund for apps or content that you bought from Apple - Apple Support
You are not guaranteed a refund tough.
This is an automated process, if you wish to explain your situation in-depth to a person you can:
Contact Apple for support and service - Apple Support
Also, see this:
How long refunds from the App Store or other Apple services take - Apple Support
Good luck!