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