A new stadium has a lot to do with it, but there are also major flaws in the operational side of the business. A potential investor will need to see some return on his layout, unless he just want to spunk £500 million up the wall, and Everton do not have any other form of income other the ticket and sky monies.
The club, or Robert Elston as CEO, needs to seriously look at every possibility of cash generation. Some serious mistakes have been made with financials at Everton, trying to service the debt by selling off every asset can only be a negative for potential owners