how can i change my banking info

To clarify, do you want to change your credit card information?

To change credit card information, you need to go your myaccount/billing.

then scroll down until you find Payment Method and click Change Credit Card.

If this does not answer your question, you can refer to this link https://stripe.com/docs/payouts#updating-bank-info

Please let us know if we can be of further assistance.