If you would like to cancel Advanced/Pro plan subscription, go to the drop-down menu in the upper-right corner and click on "Account and Billing". Select "Cancel" under “Current Plan”.
After the cancellation is made, the subscription would still be valid until the end date of the plan.
For example, if you subscribed to resume Advanced Plan (monthly) and canceled the subscription after 20 days, it would still be valid for 10 more days. (
You can still enjoy the features of Advanced Plan during the period.