Comment by IMcD23

+1. Credit Cards are not PayPal. You can only cancel recurring transactions on PayPal because those are set up directly on PayPal.

If you find someone is charging your card, ask them to stop, and to refund you. Only if they refuse should you attempt to cancel the charge via your card. This results in a chargeback to the place that charged you, which typically comes with a hefty fee for them.