How are these numbers calculated?

Big Games

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

Week of 5/7100.0*Relegated100.0*Average seed
Wolves 3 West Brom 1 +6.4
-0.2
Tottenham 1 Blackpool 1 -5.2
+0.2
Aston Villa 1 Wigan 1 +1.4
-0.1
West Ham 1 Blackburn 1 -0.8
+0.1
Newcastle 2 Birmingham 1 -0.8
+0.0
Week of 5/14100.0*Relegated100.0*Average seed
Blackpool 4 Bolton 3 -28.3
+0.9
Birmingham 0 Fulham 2 -14.1
+0.2
Sunderland 1 Wolves 3 +10.1
-0.2
Wigan 3 West Ham 2 +1.8
-0.1
Blackburn 1 Man. United 1 +1.4
-0.0
Week of 5/22100.0*Relegated100.0*Average seed
Stoke City 0 Wigan 1 +21.4
-0.6
Man. United 4 Blackpool 2 +19.6
-0.4
Tottenham 2 Birmingham 1 -14.3
+0.2
Wolves 2 Blackburn 3 -5.3
+0.1
Points
Chance Will Win Championship