How are these numbers calculated?

Big Games

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

Week of 4/23100.0*Average seed
Huddersfield Town 1 Birmingham City 1 -0.3
Blackburn Rovers 2 Bristol City 2 +0.1
Wolverhampton 0 Rotherham United 0 +0.1
Fulham 1 Nottingham Forest 3 -0.0
Milton Keynes 1 Brentford 4 -0.0
Week of 5/2100.0*Average seed
Bristol City 4 Huddersfield Town 0 -1.3
Reading 1 Preston North End 2 +0.3
Rotherham United 0 Blackburn Rovers 1 -0.2
Brentford 3 Fulham 0 +0.1
Nottingham Forest 1 Wolverhampton 1 +0.0
Week of 5/7100.0*Average seed
Huddersfield Town 1 Brentford 5 -1.8
Milton Keynes 1 Nottingham Forest 2 -0.3
QPR 1 Bristol City 0 +0.2
Blackburn Rovers 3 Reading 1 -0.1
Fulham 1 Bolton Wanderers 0 -0.1
Hull City 5 Rotherham United 1 +0.0
Points
Chance Will Win Championship