How are these numbers calculated?

Big Games

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

Week of 4/22100.0*Premier League100.0*Average seed
Reading 2 Middlesbrough 0 -0.2
+0.0
Brighton 2 Yeovil 0 -0.1
-0.1
Week of 4/26100.0*Premier League100.0*Average seed
Derby 4 Watford 2 No
-0.6
Doncaster 1 Reading 3 No
-0.0
Bournemouth 4 Nottm Forest 1 +0.1
-0.1
Charlton 1 Blackburn 3 -0.2
Burnley 1 Ipswich 0 +0.1
Charlton 3 Watford 1 -0.8
Middlesbrough 3 Barnsley 1 -0.1
Week of 5/3100.0*Premier League100.0*Average seed
Watford 1 Huddersfield 4 -0.7
Yeovil 1 Middlesbrough 4 -0.3
Bolton 2 Birmingham 2 +0.1
Points
Chance Will Win Championship