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*Promoted100.0*Average seed
Clyde 1 Montrose 0 -5.3
-0.6
Elgin City 1 Berwick 2 -1.0
-0.0
Queens Park 5 East Stirling 1 -0.5
-0.1
Rangers 1 Peterhead 2 -0.3
-0.1
Week of 4/27100.0*Promoted100.0*Average seed
Berwick 0 Annan Athletic 2 +3.0
+0.1
Montrose 1 Queens Park 2 -2.2
-0.3
Stirling Albion 1 Elgin City 1 +0.2
+0.1
Week of 5/4100.0*Promoted100.0*Average seed
Annan Athletic 1 Montrose 1 No
-0.1
Rangers 1 Berwick 0 +0.5
Elgin City 3 East Stirling 2 -0.2
-0.2
Points
Chance Will Win Championship