How are these numbers calculated?

Big Games

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

Week of 4/20100.0*Up to Premier League100.0*Average seed
Watford 4 Blackburn 0 +3.4
+0.3
Brighton 6 Blackpool 1 -0.1
Crystal Palace 2 Leicester 2 +0.1
Week of 4/27100.0*Up to Premier League100.0*Average seed
Leicester 1 Watford 2 +7.5
+0.2
Barnsley 2 Hull 0 +5.8
+0.1
Leeds 1 Brighton 2 -0.1
Week of 5/4100.0*Up to Premier League100.0*Average seed
Watford 1 Leeds 2 -24.6
-0.3
Hull 2 Cardiff 2 +3.5
+0.0
Points
Chance Will Win Championship