How are these numbers calculated?

Big Games

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

Week of 7/19100.0*Chance wins title100.0*Promoted100.0*Average seed
Manchester United 2 Manchester City 0 -9.1
-9.1
-1.3
Roma 1 PSG 2 -0.6
-0.6
-0.0
PSG 2 Tottenham Hotspur 4 +0.2
+0.2
-0.1
Real Madrid 1 Manchester United 2 -0.1
-0.1
+0.0
Tottenham Hotspur 2 Roma 3 -0.2
Week of 7/26100.0*Chance wins title100.0*Promoted100.0*Average seed
Manchester City 3 Tottenham Hotspur 0 +1.0
+1.0
+2.1
Real Madrid 2 Barcelona 3 No
No
Barcelona 1 Manchester United 0 +0.1
+0.1
Manchester City 4 Real Madrid 1 +1.3
PSG 2 Juventus 3 -0.1
Roma 1 Juventus 2 -0.1
Points
Chance Will Win Championship