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 +2.4
+0.2
Brighton 6 Blackpool 1 -0.1
Crystal Palace 2 Leicester 2 +0.0
Week of 4/27100.0*Up to Premier League100.0*Average seed
Leicester 1 Watford 2 +11.1
+0.2
Barnsley 2 Hull 0 +7.1
+0.1
Leeds 1 Brighton 2 -0.1
Week of 5/4100.0*Up to Premier League100.0*Average seed
Watford 1 Leeds 2 -33.8
-0.5
Hull 2 Cardiff 2 +8.5
+0.1
Points
Chance Will Win Championship