How are these numbers calculated?

Big Games

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

Week of 4/21100.0*Chance wins title100.0*Promoted100.0*Average seed
MK Dons 1 Sheff United 0 -1.1
-4.5
-0.1
Charlton 2 Wycombe 1 -1.0
Sheff Wed 2 Carlisle 1 -4.6
-0.1
Week of 4/28100.0*Chance wins title100.0*Promoted100.0*Average seed
Brentford 1 Sheff Wed 2 -19.8
-0.3
Sheff United 2 Stevenage 2 -15.0
-0.2
Week of 5/5100.0*Chance wins title100.0*Promoted100.0*Average seed
Sheff Wed 2 Wycombe 0 -20.4
-0.3
Exeter City 2 Sheff United 2 -9.4
-0.1
Points
Chance Will Win Championship