How are these numbers calculated?

Big Games

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

Week of 4/16100.0*Average seed
Arbroath 1 Berwick 2 -0.3
Montrose 1 Stirling Albion 1 -0.0
Week of 4/23100.0*Average seed
Arbroath 0 Montrose 0 -0.1
Week of 4/30100.0*Average seed
Elgin City 4 Arbroath 1 -0.3
Montrose 1 Berwick 0 -0.3
Points
Chance Will Win Championship