How are these numbers calculated?

Big Games

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

Week of 4/20100.0*Average seed
Clyde 1 Montrose 0 +0.3
Week of 4/27100.0*Average seed
Berwick 0 Annan Athletic 2 -0.3
Peterhead 3 Clyde 0 -0.2
Stirling Albion 1 Elgin City 1 +0.1
Week of 5/4100.0*Average seed
Clyde 1 Stirling Albion 2 -0.4
Annan Athletic 1 Montrose 1 -0.1
Points
Chance Will Win Championship