How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 5/16100.0*Average seed
Werder Bremen 1 Karlsruher 3 -0.4
Leverkusen 5 VfL Borussia 0 -0.2
Hoffenheim 2 Bayern München 2 -0.0
Week of 5/23None
Points
Chance Will Win Championship