Go to your settings page and click on "Premium Account". You will now see your Premium history and your recurring transactions. You can cancel the subscription directly or see information how to cancel it, depending on the payment method of the subscription.
You probably have a subscription running. Please check your Premium Account. You can easily cancel it any time. If you don't see a recurring payment, create a support ticket and give us all information about the transaction, such as your paypal account, the transaction id, amount take, time of transaction, bank account, account owner or reason for payment.
Sometimes it takes a while to update your profile. You will see the transaction instant in your Premium Account. Premium features may be available within of 24 hours. But if you have any trouble after a few hours, let us know.