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*Average seed
Coventry 1 Preston 1 +0.2
QPR 0 Cardiff 1 +0.2
QPR 1 Watford 0 -0.1
Swansea City 3 Barnsley 1 +0.1
Derby 1 Crystal Palace 1 +0.1
Leicester 4 Watford 1 +0.1
Ipswich 1 Doncaster 1 +0.1
Scunthorpe 3 Bristol City 0 -0.1
Scunthorpe 2 Reading 2 +0.0
Reading 6 Peterborough 0 -0.0
Week of 4/24100.0*Average seed
Preston 0 Leicester 1 -1.5
Bristol City 2 Derby 1 +0.2
Newcastle 2 Ipswich 2 -0.1
Barnsley 0 QPR 1 -0.0
Week of 5/2100.0*Average seed
Reading 4 Preston 1 -0.8
Derby 2 Cardiff 0 -0.3
West Brom 1 Barnsley 1 -0.2
Ipswich 0 Sheff United 3 +0.1
Coventry 0 Watford 4 +0.1
Scunthorpe 2 Nottm Forest 2 +0.1
Points
Chance Will Win Championship