How are these numbers calculated?

Big Games

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

Week of 5/10100.0*Average seed
Werder Bremen 6 Hannover 96 1 +0.1
Schalke 1 Eintracht 0 -0.1
Week of 5/17100.0*Average seed
Nürnberg 0 Schalke 2 -0.3
Leverkusen 0 Werder Bremen 1 +0.2
Points
Chance Will Win Championship