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*League One100.0*Average seed
Brighton 2 Yeovil 0 +0.1
Week of 4/26100.0*League One100.0*Average seed
Middlesbrough 3 Barnsley 1 Yes
-0.1
Wigan 0 Blackpool 2 +0.8
Doncaster 1 Reading 3 -0.5
Birmingham 1 Leeds 3 -0.4
Charlton 1 Blackburn 3 -0.2
QPR 1 Millwall 1 +0.1
Week of 5/3100.0*League One100.0*Average seed
Yeovil 1 Middlesbrough 4 +0.2
Barnsley 2 QPR 3 -0.1
Points
Chance Will Win Championship