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*Average seed
Edinburgh City 2 Annan Athletic 0 +0.5
Berwick 0 Montrose 1 +0.1
Forfar Athletic 3 Clyde 0 +0.1
Cowdenbeath 1 Arbroath 2 +0.0
Week of 4/29100.0*Average seed
Edinburgh City 1 Stirling Albion 0 +0.3
Clyde 1 Berwick 1 +0.1
Week of 5/6100.0*Average seed
Berwick 3 Edinburgh City 2 -0.2
Stirling Albion 1 Arbroath 1 -0.2
Points
Chance Will Win Championship