How are these numbers calculated?

Big Games

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

Week of 11/29100.0*Chance in playoffs100.0*Average seed
Real Betis 1 Olympiakos Pira 0 +9.4
-0.1
Milan 5 F91 Dudelange 2 +7.9
+0.2
Week of 12/13100.0*Chance in playoffs100.0*Average seed
Olympiakos Pira 3 Milan 1 -27.5
-0.4
F91 Dudelange 0 Real Betis 0 +0.3
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 11/29100.0*Lottery seed
Milan 5 F91 Dudelange 2 +1.9
Real Betis 1 Olympiakos Pira 0 -0.7
Week of 12/13100.0*Lottery seed
Olympiakos Pira 3 Milan 1 -4.7
F91 Dudelange 0 Real Betis 0 +3.4