From your institution dashboard, you can go to Subscriptions to make changes to your subscription. It's possible to upgrade to a different plan, downgrade to a different plan, or cancel your plan.

You can find the subscription tab of your institution dashboard here. To make changes, including upgrading or cancelling your plan, select Manage plan and billing information.

Click on Manage plan and billing information and select the option Cancel plan. You plan will automatically downgrade to the Free plan at the end of your current subscription.

If you want to make any changes to your current plan, including adding additional users, upgrading, or downgrading, you can select Update plan.