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
Ipswich 1 Doncaster 1 -0.7
QPR 0 Cardiff 1 +0.1
Coventry 1 Preston 1 +0.1
Swansea City 3 Barnsley 1 +0.1
Derby 1 Crystal Palace 1 +0.1
QPR 1 Watford 0 -0.1
Reading 6 Peterborough 0 -0.1
Leicester 4 Watford 1 +0.0
Scunthorpe 2 Reading 2 +0.0
Sheff Wed 1 Sheff United 1 -0.0
Week of 4/24100.0*Average seed
Newcastle 2 Ipswich 2 +0.6
Preston 0 Leicester 1 +0.3
Barnsley 0 QPR 1 -0.2
Doncaster 4 Scunthorpe 3 -0.1
Bristol City 2 Derby 1 +0.1
Sheff United 2 Swansea City 0 -0.1
Week of 5/2100.0*Average seed
Ipswich 0 Sheff United 3 -0.9
QPR 0 Newcastle 1 +0.3
Coventry 0 Watford 4 +0.2
Reading 4 Preston 1 +0.1
Points
Chance Will Win Championship