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*Relegated100.0*Average seed
MSV Duisburg 2 Bayern München 3 +11.9
-0.5
Hertha Berlin 1 Nürnberg 0 -4.9
+0.2
Energie Cottbus 2 Hamburger SV 0 +3.2
-0.1
Arminia Bielefeld 2 BVB 2 +0.5
-0.0
Hansa Rostock 1 Leverkusen 2 -0.4
+0.1
Schalke 1 Eintracht 0 -0.3
Werder Bremen 6 Hannover 96 1 -0.2
Week of 5/17100.0*Relegated100.0*Average seed
Eintracht 4 MSV Duisburg 2 -0.4
VfL Bochum 1 Hansa Rostock 2 -0.2
Nürnberg 0 Schalke 2 +0.2
Points
Chance Will Win Championship