How are these numbers calculated?

Big Games

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

Week of 4/17100.0*Promoted100.0*Average seed
Swansea City 3 Barnsley 1 No
Blackpool 3 Nottm Forest 1 -0.0
West Brom 2 Middlesbrough 0 +0.1
Scunthorpe 3 Bristol City 0 +0.2
Reading 6 Peterborough 0 -0.1
Ipswich 1 Doncaster 1 +0.1
Sheff Wed 1 Sheff United 1 -0.0
Week of 4/24100.0*Promoted100.0*Average seed
Sheff United 2 Swansea City 0 +0.7
Watford 3 Reading 0 +0.2
Middlesbrough 1 Coventry 1 +0.2
Bristol City 2 Derby 1 -0.2
Doncaster 4 Scunthorpe 3 -0.1
Newcastle 2 Ipswich 2 -0.1
Week of 5/2100.0*Promoted100.0*Average seed
Ipswich 0 Sheff United 3 +0.8
Leicester 2 Middlesbrough 0 +0.3
Blackpool 1 Bristol City 1 -0.2
Reading 4 Preston 1 -0.2
Swansea City 0 Doncaster 0 +0.1
Points
Chance Will Win Championship