Downgrade hosting plan, how do they prorate the refund?

[SteamHttp]

I did not see any information on this and the chat could not answer either,
but I gather if one has already paid for the webhosting plan  in advance, and downgrade to a lower plan, they prorate the difference as a refund on the credit card used?

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EDIT Billing finally picked up and a nice gentleman indcated
One can get a refund for the difference in a change from a higher to lower plan:
--within 30 days

--MUST call in after making the change, not done automatically even  if plan change done on the web

[Nate · Accepted solution]

@SteamHttpThanks for posting an update, welcome to the Community!