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
Reading 2 Sheff United 3 -0.1
+0.2
Crystal Palace 1 Leeds 0 Yes
Preston 0 Cardiff 1 +0.1
Sheff United 3 Bristol City 2 +0.1
Week of 4/30100.0*Chance wins title100.0*Promoted100.0*Relegated100.0*Average seed
Sheff United 2 Barnsley 2 -0.2
Nottm Forest 5 Scunthorpe 1 +0.2
Ipswich 2 Preston 1 +0.2
Week of 5/7100.0*Chance wins title100.0*Promoted100.0*Relegated100.0*Average seed
Swansea City 4 Sheff United 0 -0.8
-2.4
+3.0
-1.1
QPR 1 Leeds 2 -0.3
-0.9
+0.7
-0.3
Crystal Palace 0 Nottm Forest 3 -0.3
-1.5
+4.0
-1.2
Burnley 1 Cardiff 1 *-0.3
-0.9
+1.3
Middlesbrough 3 Doncaster 0 -0.2
-0.6
+1.6
-0.3
Scunthorpe 1 Portsmouth 1 -4.1
+0.2
Reading 2 Derby 1 -0.9
Preston 3 Watford 1 +0.7
-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