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
Rosenborg 0 Celtic 1 +26.5
+0.4
Salzburg 1 RB Leipzig 0 +19.3
+0.2
Week of 12/13100.0*Chance in playoffs100.0*Average seed
Celtic 1 Salzburg 2 -23.3
-0.2
RB Leipzig 1 Rosenborg 1 In
+0.1
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
Rosenborg 0 Celtic 1 +4.3
Salzburg 1 RB Leipzig 0 +2.0
Week of 12/13100.0*Lottery seed
Celtic 1 Salzburg 2 -2.8
RB Leipzig 1 Rosenborg 1 +1.7