How are these numbers calculated?

Big Games

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

Week of 7/30100.0*Chance wins title100.0*Average seed
Real Madrid 3 Chelsea 2 +18.3
+0.3
Paris Saint-Ger 4 Leicester City 0 +13.2
+0.3
Barcelona 3 Celtic 1 -5.9
-0.1
Liverpool 2 Milan 0 +1.3
+0.1
If winner is:HomeHome SOAway SOAway
Barcelona vs Leicester City-3.4YesYesYes
-0.0+0.1+0.1+0.1
If winner is:HomeHome SOAway SOAway
Week of 8/6100.0*Chance wins title100.0*Average seed
Liverpool vs BarcelonaYesYesYes-14.1
+0.1+0.1+0.1-0.1

What If

Chances based on how well the Paris Saint-Ger finish out the regular season.   Explain

100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-OT-WL-SOwins title12345678910Count
90-0-00-090.1%90107,694,973,180
Total:90.1%90107,694,973,180
Points
Chance Will Win Championship