How are these numbers calculated?

Big Games

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

Week of 11/27100.0*Chance in playoffs100.0*Average seed
Zenit 2 Lyon 0 -37.7
-0.6
Leipzig 2 Benfica 2 +3.8
+0.2
Week of 12/11100.0*Chance in playoffs100.0*Average seed
Benfica 3 Zenit 0 +16.2
+0.1
Lyon 2 Leipzig 2 -9.6
-0.4
Points
Chance Will Make Playoffs

Lottery

Why are you looking down here? We just made the playoffs!

Big Games

Week of 11/27100.0*Lottery seed
Zenit 2 Lyon 0 -4.6
Leipzig 2 Benfica 2 +1.2
Week of 12/11100.0*Lottery seed
Lyon 2 Leipzig 2 -3.4
Benfica 3 Zenit 0 +0.7