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 -4.3
Olympique Lyonn 2 Manchester City 2 +2.5
-0.0
Week of 12/12100.0*Chance in playoffs100.0*Average seed
Shakhtar Donetsk 1 Olympique Lyonn 1 In
+0.1
Manchester City 2 Hoffenheim 1 -0.1
Points
Chance Will Make Playoffs

Lottery

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

Big Games

Week of 11/28100.0*Lottery seed
Hoffenheim 2 Shakhtar Donetsk 3 -0.3
Olympique Lyonn 2 Manchester City 2 -0.3
Week of 12/12100.0*Lottery seed
Shakhtar Donetsk 1 Olympique Lyonn 1 +1.0
Manchester City 2 Hoffenheim 1 -0.7