How are these numbers calculated?

Big Games

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

Week of 2/17100.0*Chance in playoffs100.0*Average seed
Rush 8 Mammoth 7 +3.1
+0.4
Knighthawks 6 Rock 10 +0.4
-0.0
Roughnecks 10 Stealth 13 -0.2
Swarm 15 Knighthawks 9 +0.2
-0.0
If winner is:HomeAway
Week of 2/25100.0*Chance in playoffs100.0*Average seed
Rush vs Roughnecks+2.0-2.7
+0.3-0.5
Bandits vs Rock-0.4+0.3
+0.1-0.0
Stealth vs Knighthawks-0.2+0.3
Black Wolves vs Mammoth-0.2+0.2

What If

Chances based on how well the Rush finish out the regular season.   Explain

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789Count
1611-0In97351,337
1510-1In87130386,264
149-2In663311,645,133
138-3In3755804,179,704
127-4In135829007,061,249
116-5In2325710008,353,371
105-6100.0%05414410007,049,634
94-797.805314318204,237,500
83-862.903194131601,782,831
72-912.9011240416499,285
61-100.50112543483,399
50-11Out1306916,135
Total:96.4%122829158421035,345,842
Games Above .500
Chance Will Make Playoffs