How are these numbers calculated?

Big Games

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

Week of 5/16100.0*Relegated100.0*Average seed
Newcastle 0 Fulham 1 -12.5
+0.2
Portsmouth 3 Sunderland 1 -4.8
+0.1
Bolton 1 Hull 1 +4.1
-0.1
West Brom 0 Liverpool 2 -1.4
+0.1
Middlesbrough 1 Aston Villa 1 -1.1
+0.0
Week of 5/24100.0*Relegated100.0*Average seed
Hull 0 Man. United 1 +30.1
-0.5
Aston Villa 1 Newcastle 0 -28.1
+0.3
West Ham 2 Middlesbrough 1 -2.7
+0.1
Sunderland 2 Chelsea 3 +0.1
Points
Chance Will Win Championship