How are these numbers calculated?

Big Games

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

Week of 11/22100.0*Chance in playoffs100.0*Average seed
Napoli 3 Shakhtar Donetsk 0 -12.7
-0.2
Manchester City 1 Feyenoord 0 -0.0
Week of 12/6100.0*Chance in playoffs100.0*Average seed
Feyenoord 2 Napoli 1 In
+0.4
Shakhtar Donetsk 2 Manchester City 1 In
+0.4
Points
Chance Will Make Playoffs

Lottery

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

Big Games

Week of 11/22100.0*Lottery seed
Napoli 3 Shakhtar Donetsk 0 -1.5
Manchester City 1 Feyenoord 0 -0.2
Week of 12/6100.0*Lottery seed
Feyenoord 2 Napoli 1 +3.1
Shakhtar Donetsk 2 Manchester City 1 +3.1