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
Energie Cottbus 2 Hamburger SV 0 -0.5
VfL Wolfsburg 4 VfB Stuttgart 0 +0.1
Hansa Rostock 1 Leverkusen 2 -0.1
Week of 5/17100.0*Average seed
Hamburger SV 7 Karlsruher 0 +0.5
Leverkusen 0 Werder Bremen 1 +0.5
BVB 2 VfL Wolfsburg 4 -0.2
VfB Stuttgart 2 Arminia Bielefeld 2 +0.1
Points
Chance Will Win Championship