How are these numbers calculated?

Big Games

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

Week of 4/18100.0*Promoted100.0*Average seed
Annan Athletic 2 East Fife 1 +1.3
+0.8
Montrose 2 Elgin City 1 +0.4
+0.1
East Stirling 0 Berwick 4 -0.0
Clyde 2 Albion Rovers 3 +0.1
Week of 4/25100.0*Promoted100.0*Average seed
Elgin City 4 Annan Athletic 5 +5.0
+1.0
Berwick 0 East Fife 3 -2.0
+0.1
Montrose 0 Clyde 1 -0.1
Queens Park 1 East Stirling 1 +0.0
Week of 5/2100.0*Promoted100.0*Average seed
East Fife 3 Elgin City 1 No
+0.1
Annan Athletic 4 Montrose 3 +1.8
+0.2
Points
Chance Will Win Championship