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
Wigan 0 Blackpool 2 +11.6
-0.4
QPR 1 Millwall 1 -10.4
+0.2
Doncaster 1 Reading 3 -6.4
+0.2
Birmingham 1 Leeds 3 -5.1
+0.2
Birmingham 0 Wigan 1 -4.7
+0.2
Charlton 3 Watford 1 +1.3
-0.3
Charlton 1 Blackburn 3 -1.2
+0.1
Middlesbrough 3 Barnsley 1 -0.8
+0.0
Week of 5/3100.0*League One100.0*Average seed
Bolton 2 Birmingham 2 No
+0.2
Leicester 1 Doncaster 0 No
+0.2
Millwall 1 Bournemouth 0 No
+0.9
Blackpool 0 Charlton 3 -0.2
+0.1
Points
Chance Will Win Championship