How are these numbers calculated?

Big Games

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

Week of 4/19100.0*Promoted100.0*Average seed
Montrose 0 Clyde 2 +2.0
+0.2
Berwick 1 East Stirling 0 -1.4
-0.1
Stirling Albion 2 Elgin City 2 +0.0
Week of 4/26100.0*Promoted100.0*Average seed
Clyde 4 Albion Rovers 0 +0.8
+0.2
Queens Park 1 Berwick 3 -0.7
Peterhead 0 Stirling Albion 4 -0.3
-0.3
Week of 5/3100.0*Promoted100.0*Average seed
Stirling Albion 4 Clyde 1 -0.6
Points
Chance Will Win Championship