How are these numbers calculated?

Big Games

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

Week of 11/27100.0*Chance in playoffs100.0*Average seed
Atalanta 2 Dinamo Zagreb 0 +12.4
+0.3
Manchester City 1 Shakhtar Donetsk 1 +0.2
Week of 12/11100.0*Chance in playoffs100.0*Average seed
Shakhtar Donetsk 0 Atalanta 3 +65.1
+1.4
Dinamo Zagreb 1 Manchester City 4 +3.4
+0.0
Points
Chance Will Make Playoffs

Lottery

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

Big Games

Week of 11/27100.0*Lottery seed
Atalanta 2 Dinamo Zagreb 0 +2.4
Manchester City 1 Shakhtar Donetsk 1 -0.2
Week of 12/11100.0*Lottery seed
Shakhtar Donetsk 0 Atalanta 3 +11.3
Dinamo Zagreb 1 Manchester City 4 +0.3