How are these numbers calculated?

Big Games

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

Week of 5/13100.0*Championship100.0*Average seed
Sunderland 0 Swansea City 2 -0.1
Crystal Palace 4 Hull City 0 No
-0.3
Everton 1 Watford 0 -0.6
Manchester City 2 Leicester City 1 +0.0
Bournemouth 2 Burnley 1 +0.1
Stoke City 1 Arsenal 4 +0.1
West Ham 0 Liverpool 4 +0.1
Middlesbrough 1 Southampton 2 -0.0
Week of 5/17100.0*Championship100.0*Average seed
Watford 0 Manchester City 5 -0.5
Swansea City 2 West Brom 1 -0.5
Chelsea 4 Watford 3 -0.5
Burnley 1 West Ham 2 +0.2
Southampton 0 Stoke City 1 -0.1
Manchester United 2 Crystal Palace 0 +0.0
Points
Chance Will Win Championship