How are these numbers calculated?

Big Games

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

Week of 9/23100.0*Top-2100.0*Average seed
Forge 3 Pacific 1 -34.1
-0.4
Vancouver 2 Wanderers 1 +3.8
+0.1
Ottawa 0 Valour 1 +0.1
York 0 Cavalry 1 -0.0
Week of 9/30100.0*Top-2100.0*Average seed
Pacific 1 Vancouver 2 -24.1
-0.3
Wanderers 2 Forge 1 +16.4
+0.1
Valour 0 Wanderers 1 -0.4
Week of 10/7100.0*Top-2100.0*Average seed
Cavalry 3 Pacific 0 No
-0.4
Forge 0 Ottawa 1 +12.6
+0.1
Points
Chance Will Make Playoffs