How are these numbers calculated?

Big Games

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

Week of 4/22100.0*Chance wins title100.0*Promoted100.0*Relegated100.0*Average seed
Leeds 0 Reading 0 No
-3.3
-0.1
Reading 2 Sheff United 3 -5.8
-0.6
Norwich 3 Derby 2 -3.3
-0.1
Preston 0 Cardiff 1 -2.2
-0.1
Cardiff 2 QPR 2 +0.4
+0.0
Swansea City 4 Ipswich 1 -0.1
Portsmouth 0 Swansea City 0 +0.1
Week of 4/30100.0*Chance wins title100.0*Promoted100.0*Relegated100.0*Average seed
Millwall 0 Swansea City 2 +0.3
-0.2
Nottm Forest 5 Scunthorpe 1 -0.2
-0.0
Coventry 0 Reading 0 *+0.1
-0.1
Week of 5/7100.0*Chance wins title100.0*Promoted100.0*Relegated100.0*Average seed
QPR 1 Leeds 2 -1.4
-4.7
+4.1
-2.0
Burnley 1 Cardiff 1 +1.9
-2.5
+0.8
Crystal Palace 0 Nottm Forest 3 -0.6
-6.0
+0.6
Reading 2 Derby 1 +0.3
+2.8
+0.5
Scunthorpe 1 Portsmouth 1 -0.2
-6.0
-1.7
Middlesbrough 3 Doncaster 0 +0.2
+0.5
-0.7
Bristol City 3 Hull 0 +0.6
+0.1
Barnsley 1 Millwall 0 +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