Under → you will find information about your current plan.
If you want to switch to another plan, you can select the -button. You will then be taken to the following overview, where you can select and confirm or request your new plan.
If you want to cancel your plan, you can scroll to the bottom of the page. There you can select "Cancel Plan":
A draft mail opens, in which the e-mail recipient and the subject are already entered. Please inform us in the mail that you want to cancel your plan and don't change anything in the subject, so that we also deactivate the right project.