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 +9.2
+0.3
Manchester City 1 Shakhtar Donetsk 1 +3.2
+0.0
Week of 12/11100.0*Chance in playoffs100.0*Average seed
Shakhtar Donetsk 0 Atalanta 3 +39.5
+1.0
Dinamo Zagreb 1 Manchester City 4 +13.8
+0.1
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 +2.3
Manchester City 1 Shakhtar Donetsk 1 +0.1
Week of 12/11100.0*Lottery seed
Shakhtar Donetsk 0 Atalanta 3 +8.2
Dinamo Zagreb 1 Manchester City 4 +1.1