We would all be a lot happier if we defined financial success based on our own life, resources, capabilities and progress. Judging your circumstances against other people can be disheartening. All God is calling you to do is be a faithful steward of the blessings he has given to you, with no regard to what the next person is doing
The Compass Catholic blog has more on defining financial success for yourself.
Based on a listener's question, here are the percentage guidelines for various budget categories. The link will download a spreadsheet to your computer. Use this as a starting point and customize it to fit your life.