How are these numbers calculated?

Big Games

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

Week of 11/28100.0*Chance in playoffs100.0*Average seed
Hoffenheim 2 Shakhtar Donetsk 3 +12.4
+0.6
Olympique Lyonn 2 Manchester City 2 +2.9
+0.0
Week of 12/12100.0*Chance in playoffs100.0*Average seed
Shakhtar Donetsk 1 Olympique Lyonn 1 Out
-0.2
Manchester City 2 Hoffenheim 1 +0.1
Points
Chance Will Make Playoffs

Lottery

We are out of the playoffs. Here are the big games and what ifs for draft seeds.
Although it might be more fun to go down swinging.

Big Games

Week of 11/28100.0*Lottery seed
Hoffenheim 2 Shakhtar Donetsk 3 +4.6
Olympique Lyonn 2 Manchester City 2 +0.1
Week of 12/12100.0*Lottery seed
Shakhtar Donetsk 1 Olympique Lyonn 1 -1.9
Manchester City 2 Hoffenheim 1 +1.1