You can stop the subscription from renewing by going to the Google Play Store app > tap on your image > Payments & subscriptions > Subscriptions
Please send us your order number and we will give you a refund for your purchase (this number starts with GPA, for example GPA.1111-222-333) you will find it in the email receipt from google play store.
Keywords to find this article:
refund, refunded, reimburse, recourse, money back, payment back, my money