Exorbitant debit orders within two months Jul 24 to Aug 24.

I have being made to pay exorbitant amount on contract that was affordable. I'm experiencing serious matter were by the amount of +1000 must be paid, however it deducted amount exceeding agreement as per monthly installment. It started this month to realise my money is being debited and subscriptions went beyond the knowledge of the customer (myself). Please someone to help resolving this matter.