one doesn't work at startups to maximize your earnings. you work at a startup because the pay is sufficient for your goals and its work you want to do (ex: because you really believe in the product, you feel you can grow in ways you couldn't in large companies / have impact or control in ways you can't in lage companies or perhaps others).

If either of those 2 things aren't true, you probably shouldn't choose to work at a startup over a large established company.