How are these numbers calculated?

Big Games

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

Week of 5/1100.0*Relegated100.0*Average seed
Atlético Madrid 3 Valladolid 1 +16.8
-0.7
Valladolid 0 Getafe 0 +5.8
-0.2
Deportivo 0 Real Zaragoza 1 +5.3
-0.2
Racing 1 Sevilla 5 -3.9
+0.1
Barcelona 4 Tenerife 1 -3.4
+0.1
Real Zaragoza 1 Espanyol 0 +2.3
-0.1
Tenerife 2 Racing 1 +2.2
-0.1
Valencia 3 Xerez 1 -1.0
+0.1
Almería 4 Villarreal 2 +0.9
-0.1
Xerez 2 Almería 1 +0.4
-0.1
Athletic Bilbao 1 Málaga 1 -0.2
+0.0
Getafe 1 Sporting de Gij 1 *+0.1
Osasuna 3 Deportivo 1 -0.1
Málaga 1 Sporting de Gij 1 +0.0
Week of 5/8100.0*Relegated100.0*Average seed
Valladolid 2 Racing 1 -29.7
+1.0
Getafe 2 Málaga 1 -3.3
+0.1
Tenerife 2 Almería 2 -2.4
+0.0
Xerez 3 Real Zaragoza 2 +0.4
-0.2
Sporting de Gij 1 Atlético Madrid 1 +0.1
Week of 5/16100.0*Relegated100.0*Average seed
Barcelona 4 Valladolid 0 +38.8
-0.9
Valencia 1 Tenerife 0 -13.0
+0.3
Racing 2 Sporting de Gij 0 +12.9
-0.3

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

Points
Chance Will Win Championship