How are these numbers calculated?

Big Games

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

Week of 5/9100.0*Demoted100.0*Average seed
Leicester 2 Southampton 0 -13.9
+1.2
Everton 0 Sunderland 2 +6.2
-0.2
Hull 0 Burnley 1 -4.7
+0.2
Aston Villa 1 West Ham 0 +1.9
-0.2
Newcastle 1 West Brom 1 +0.1
+0.0
Week of 5/16100.0*Demoted100.0*Average seed
Sunderland 0 Leicester 0 -2.0
+0.1
Tottenham 2 Hull 0 -1.4
+0.0
QPR 2 Newcastle 1 -1.0
+0.1
Southampton 6 Aston Villa 1 -0.1
+0.1
West Brom 3 Chelsea 0 -0.2
Liverpool 1 Crystal Palace 3 -0.1
Arsenal 0 Sunderland 0 -0.0
Week of 5/24100.0*Demoted100.0*Average seed
Leicester 5 QPR 1 +0.5
Aston Villa 0 Burnley 1 +0.3
Newcastle 2 West Ham 0 -0.2
Chelsea 3 Sunderland 1 +0.1
Points
Chance Will Win Championship