How are these numbers calculated?

Big Games

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

Week of 4/28100.0*Relegated100.0*Average seed
Chelsea 6 QPR 1 +12.1
-0.3
Wigan 4 Newcastle 0 +9.2
-0.3
Bolton 1 Tottenham 4 -7.2
+0.1
Sunderland 2 Bolton 2 +3.1
-0.1
Tottenham 2 Blackburn 0 -1.6
+0.1
West Brom 0 Aston Villa 0 +1.4
-0.0
Week of 5/5100.0*Relegated100.0*Average seed
QPR 1 Stoke City 0 -25.6
+0.5
Bolton 2 West Brom 2 -3.2
+0.0
Aston Villa 1 Tottenham 1 +0.6
Blackburn 0 Wigan 1 -0.1
Week of 5/13100.0*Relegated100.0*Average seed
Stoke City 2 Bolton 2 No
+0.2
Man. City 3 QPR 2 +1.5
-0.1
Points
Chance Will Win Championship