Note: Only Company Owners, Admins or Billing Admins can view and edit plan & billing settings.
Click 'Settings' in the left hand side bar
Click 'Plan & Billing'
βNote: If you do not see 'Plan & Billing', then you do not have permission as explained aboveClick 'More' to the right of the subscription section
Click 'Cancel subscription'
Follow the steps on the next screen
You will still access until the end of the billing period you have already paid for.