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*Championship100.0*Average seed
Norwich City 0 Manchester United 1 +10.1
-0.3
Sunderland 3 Chelsea 2 +9.2
-0.2
Norwich City 4 Watford 2 -4.0
+0.3
Sunderland 3 Everton 0 Yes
Aston Villa 0 Newcastle United 0 -0.4
Week of 5/15100.0*Championship100.0*Average seed
Newcastle United 5 Tottenham Hotspur 1 -0.4
Everton 3 Norwich City 0 -0.2
Points
Chance Will Win Championship