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
Real Madrid 1 Manchester United 2 +25.4
+25.4
+1.3
Manchester United 2 Manchester City 0 +13.8
+13.8
+1.5
Tottenham Hotspur 2 Roma 3 +10.1
+10.1
+0.1
PSG 2 Tottenham Hotspur 4 +2.3
+2.3
+0.0
Juventus 1 Barcelona 2 +1.0
+1.0
+0.0
Roma 1 PSG 2 -0.6
-0.6
-0.0
Week of 7/26100.0*Chance wins title100.0*Promoted100.0*Average seed
Barcelona 1 Manchester United 0 -54.4
-54.4
-1.3
Manchester City 3 Tottenham Hotspur 0 No
No
-0.2
Real Madrid 2 Barcelona 3 No
No
-0.4
PSG 2 Juventus 3 -0.1
-0.1
+0.0
Manchester City 4 Real Madrid 1 +0.1
+0.1
-0.0
Roma 1 Juventus 2 -0.2
Points
Chance Will Win Championship