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
Hertha Berlin 1 Nürnberg 0 -12.7
+0.2
Arminia Bielefeld 2 BVB 2 +5.9
-0.1
Energie Cottbus 2 Hamburger SV 0 +5.1
-0.2
MSV Duisburg 2 Bayern München 3 -4.7
+0.1
Hansa Rostock 1 Leverkusen 2 -0.6
+0.0
Week of 5/17100.0*Relegated100.0*Average seed
Nürnberg 0 Schalke 2 No
+0.2
VfB Stuttgart 2 Arminia Bielefeld 2 +14.2
-0.2
VfL Bochum 1 Hansa Rostock 2 +0.1
BVB 2 VfL Wolfsburg 4 +0.1
Hamburger SV 7 Karlsruher 0 +0.1
Leverkusen 0 Werder Bremen 1 +0.1
Bayern München 4 Hertha Berlin 1 +0.1
Hannover 96 4 Energie Cottbus 0 +0.1
Points
Chance Will Win Championship