How are these numbers calculated?

Big Games

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

Week of 4/22None
Week of 4/26100.0*League One100.0*Average seed
Birmingham 0 Wigan 1 -22.0
+0.3
Doncaster 1 Reading 3 +18.6
-0.6
Wigan 0 Blackpool 2 +12.4
-0.4
Birmingham 1 Leeds 3 -5.5
+0.2
QPR 1 Millwall 1 +4.8
-0.1
Charlton 3 Watford 1 +1.5
-0.1
Charlton 1 Blackburn 3 -1.3
+0.1
Middlesbrough 3 Barnsley 1 -0.9
+0.0
Week of 5/3100.0*League One100.0*Average seed
Bolton 2 Birmingham 2 +28.1
-0.3
Leicester 1 Doncaster 0 +14.7
-0.3
Millwall 1 Bournemouth 0 +2.7
-0.2
Blackpool 0 Charlton 3 +0.1
Points
Chance Will Win Championship