How are these numbers calculated?

Big Games

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

Week of 4/25100.0*Average seed
Bristol City 1 Sheff Wed 1 +0.1
Doncaster 2 Crystal Palace 0 +0.1
Week of 5/3100.0*Average seed
Sheff Wed 1 Cardiff 0 +0.5
Crystal Palace 0 Sheff United 0 +0.2
Watford 3 Derby 1 -0.2
Wolves 1 Doncaster 0 +0.1
Points
Chance Will Win Championship