How are these numbers calculated?

Big Games

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

Week of 4/13100.0*Promoted100.0*Average seed
Blackpool 1 Leeds United 0 No
-1.1
Leeds United 4 Peterborough 1 +0.1
+1.1
Cardiff 2 Derby 0 -0.1
+0.2
Derby 0 Middlesbrough 1 +0.1
Hull 3 Barnsley 1 -0.2
Leicester 0 Burnley 0 +0.0
Millwall 2 Leicester 1 +0.1
Watford 1 Hull 1 +0.0
Brighton 2 Watford 2 +0.1
Burnley 1 Coventry 1 +0.0
Crystal Palace 1 Ipswich 1 +0.1
Portsmouth 2 Crystal Palace 1 +0.1
Ipswich 1 Birmingham 1 +0.0
Week of 4/21100.0*Promoted100.0*Average seed
Cardiff 1 Leeds United 1 -0.3
Portsmouth 1 Derby 2 -0.2
Leicester 1 West Ham 2 +0.2
Blackpool 4 Burnley 0 +0.2
Ipswich 0 Millwall 3 +0.2
Reading 2 Crystal Palace 2 +0.0
Peterborough 2 Watford 2 +0.0
Week of 4/28100.0*Promoted100.0*Average seed
Leeds United 1 Leicester 2 -1.3
Watford 2 Middlesbrough 1 -0.3
Derby 1 Peterborough 1 +0.1
Burnley 1 Bristol City 1 +0.0
Points
Chance Will Win Championship