How are these numbers calculated?

Big Games

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

Week of 5/2100.0*UEFA CL100.0*Average seed
Bayer Leverkusen 2 Hertha 1 -13.8
-0.3
Bayern München 1 Mönchengladbach 1 -4.8
-0.1
Hannover 96 1 Schalke 04 3 -3.0
-0.1
Mainz 05 0 Hamburg SV 0 +2.0
+0.1
Week of 5/7100.0*UEFA CL100.0*Average seed
Hertha 1 Darmstadt 98 2 -21.2
-0.8
Mönchengladbach 2 Bayer Leverkusen 1 -15.0
-0.2
Schalke 04 1 Augsburg 1 +3.2
+0.1
Stuttgart 1 Mainz 05 3 -2.7
-0.2
Week of 5/14100.0*UEFA CL100.0*Average seed
Darmstadt 98 0 Mönchengladbach 2 No
Mainz 05 0 Hertha 0 No
-0.1
Hoffenheim 1 Schalke 04 4 -0.1
-0.3
Points
Chance Will Win Championship