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 -18.7
-0.4
Milan 5 F91 Dudelange 2 -4.9
-0.1
Week of 12/13100.0*Chance in playoffs100.0*Average seed
Olympiakos Pira 3 Milan 1 +27.5
+0.3
Points
Chance Will Make Playoffs

Lottery

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

Big Games

Week of 11/29100.0*Lottery seed
Real Betis 1 Olympiakos Pira 0 -4.7
Milan 5 F91 Dudelange 2 -0.8
Week of 12/13100.0*Lottery seed
Olympiakos Pira 3 Milan 1 +3.3