How are these numbers calculated?

Big Games

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

Week of 11/24100.0*Chance in playoffs100.0*Average seed
Porto 0 Dynamo Kyiv 2 -20.1
-0.1
Maccabi Tel Aviv 0 Chelsea 4 +7.4
+0.1
Week of 12/8100.0*Chance in playoffs100.0*Average seed
Chelsea 2 Porto 0 In
+0.4
Dynamo Kyiv 1 Maccabi Tel Aviv 0 -6.4
-0.1
Points
Chance Will Make Playoffs

Lottery

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

Big Games

Week of 11/24100.0*Lottery seed
Maccabi Tel Aviv 0 Chelsea 4 +1.2
Porto 0 Dynamo Kyiv 2 -0.5
Week of 12/8100.0*Lottery seed
Chelsea 2 Porto 0 +3.3
Dynamo Kyiv 1 Maccabi Tel Aviv 0 -0.7