How are these numbers calculated?

Big Games

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

Week of 5/15100.0*Relegated100.0*Average seed
Mattersburg 3 Austria Kärnten 2 +20.1
-0.2
Austria Wien 4 Rheindorf Altach 1 +7.5
-0.1
Salzburg 2 Linz 1 +0.5
Kapfenberg 3 Sturm Graz 3 +0.1
Week of 5/21100.0*Relegated100.0*Average seed
Rheindorf Altach 5 Kapfenberg 1 -2.6
Rapid Wien 2 Mattersburg 3 +2.5
Linz 4 Austria Wien 0 -0.1
If winner is:HomeDrawAway
Week of 5/30100.0*Relegated100.0*Average seed
Salzburg vs Rheindorf AltachYesYes-0.9
Mattersburg vs LinzYesYes-0.0

What If

Chances based on how well Rheindorf Altach finishes out the regular season.   Explain

100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins title12345678910RelegatedCount
301-0-0No59594.7%8,042
27-28No100Yes292,433*
Total:No010099.9%300,475

* Row combines multiple less frequent records.

Points
Chance Will Win Championship