How are these numbers calculated?

Big Games

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

Week of 5/3100.0*Relegated100.0*Average seed
Reading 0 Tottenham 1 +24.0
-0.8
Bolton 2 Sunderland 0 +9.0
-0.2
Fulham 2 Birmingham 0 -6.0
+0.1
Blackburn 3 Derby 1 -0.6
Aston Villa 0 Wigan 2 -0.1
Man. United 4 West Ham 1 -0.1
Middlesbrough 2 Portsmouth 0 -0.1
Week of 5/11100.0*Relegated100.0*Average seed
Portsmouth 0 Fulham 1 +47.5
-0.5
Derby 0 Reading 4 -42.1
+0.7
Birmingham 4 Blackburn 1 +9.8
-0.3
Middlesbrough 8 Man. City 1 -0.2
Sunderland 0 Arsenal 1 -0.1
Everton 3 Newcastle 1 -0.1
Wigan 0 Man. United 2 -0.1
Tottenham 0 Liverpool 2 *-0.1

* 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