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
Juventus 1 Barcelona 2 -10.9
-10.9
-1.3
Real Madrid 1 Manchester United 2 -0.7
-0.7
PSG 2 Tottenham Hotspur 4 -0.7
-0.7
Tottenham Hotspur 2 Roma 3 +0.4
+0.4
Manchester United 2 Manchester City 0 -0.4
-0.4
-0.0
Roma 1 PSG 2 -0.2
-0.2
Week of 7/26100.0*Chance wins title100.0*Promoted100.0*Average seed
Real Madrid 2 Barcelona 3 No
No
-0.0
PSG 2 Juventus 3 +1.9
+1.9
+1.7
Barcelona 1 Manchester United 0 +1.9
+1.9
-0.1
Manchester City 3 Tottenham Hotspur 0 -1.1
-1.1
+0.0
Manchester City 4 Real Madrid 1 +0.1
+0.1
-0.0
Roma 1 Juventus 2 +1.7
Points
Chance Will Win Championship