You had manually paid the invoice before the due date. But as you have subscription set, PayPal will charge you on the due date even if you have manually paid the invoice in advance. PayPal doesn't checks the status of the invoice whether its paid or unpaid.
In order to cancel the subscription, please log-in to your PayPal account and cancel the subscription.
The payment we received today is added in credit balance. It can be utilized to order new or renew6 existing hosting services.
Let me know if you have any questions.
