I would like to delete my account

I would like to delete my account

Hi,
I would like to delete my account as I do not want to use it anymore. However, if I try to delete it, it shows that I need to downgrade it first. On the Accounts page, I cannot downgrade the account because the "Change Plan" option is not activated. So, I cannot downgrade either.

Please help me with deleting our account.

Regards,
Pradip