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
Millwall 4 Preston 0 -1.0
+0.0
Scunthorpe 1 Millwall 2 -0.8
Crystal Palace 1 Leeds 0 +0.8
-0.3
Barnsley 2 Doncaster 2 -0.7
Preston 0 Cardiff 1 -0.4
Coventry 1 Scunthorpe 1 -0.2
Norwich 3 Derby 2 +0.0
Week of 4/30100.0*Chance wins title100.0*Promoted100.0*Relegated100.0*Average seed
Hull 1 Crystal Palace 1 -0.1
Derby 0 Bristol City 2 +0.1
Week of 5/7100.0*Chance wins title100.0*Promoted100.0*Relegated100.0*Average seed
Burnley 1 Cardiff 1 -1.9
-4.2
+3.0
-1.3
QPR 1 Leeds 2 -1.2
+11.7
Middlesbrough 3 Doncaster 0 -0.5
-1.6
+2.4
-0.8
Crystal Palace 0 Nottm Forest 3 +11.1
Scunthorpe 1 Portsmouth 1 +11.8
-3.7
Preston 3 Watford 1 +3.2
-0.1
Reading 2 Derby 1 +0.0
Points
Chance Will Win Championship