The Like count is controlled entirely by Facebook -- we’re just displaying the data they give us. We’ve seen Like counts drop in the past, and they’ve always recovered not long after. If your counts don’t, give Facebook customer support a shout.
Bandcamp Support is experiencing an unusually high volume of emails from our wonderfully successful fundraisers this summer, so our responses may take an extra few days. We put together a list of common questions to help you help yourself in the meantime - power!