If you choose to delete your account, you will need to tick the Delete account box, you will then receive a 2-factor authentication code and click on the Delete button.  

After deletion you will receive a download link to your email where you can download your data for 1 month.  

Important 

The account will not be deleted as long as you have an active subscription. Once your subscription expires, your account will be deleted within 2-3 days.