How are these numbers calculated?

Big Games

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

Week of 11/23100.0*Chance in playoffs100.0*Average seed
Ludogorets 1 İstanbul 2 -8.8
-0.4
Sporting Braga 3 Hoffenheim 1 +1.7
-0.2
Week of 12/7100.0*Chance in playoffs100.0*Average seed
İstanbul 2 Sporting Braga 1 -17.9
+0.1
Hoffenheim 1 Ludogorets 1 In
-0.2
Points
Chance Will Make Playoffs

Lottery

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

Big Games

Week of 11/23100.0*Lottery seed
Ludogorets 1 İstanbul 2 -4.4
Sporting Braga 3 Hoffenheim 1 -2.1
Week of 12/7100.0*Lottery seed
Hoffenheim 1 Ludogorets 1 -2.3
İstanbul 2 Sporting Braga 1 +0.9