Zone fitness deducting debit order with out my permission

I would like Zone fitness tygerville Monique to stop deducting my money it's 8 months I'm not gyming because of the ingrown toenail I send them the letter from the doctor 2025 July I'm stopping debt order tomorrow. We agree on 33 % until I come back feeling better.but you deducting whole amount I feel disrespected as client and used