There is no self service downgrade option at the moment. You will have to cancel your current planand wait till the end of your illing cycle and then can reapply for the desired plan.
Please note that refunds will not be eligible for downgrades if the account has already been used. All previous projects and voices will stay intact.
If you have bought and annual plan by mistake and want to downgrade to a monthly subscription, kindly contact us via chat or email us at firstname.lastname@example.org within 24 hours from the time of purchase and our team will assist you further.