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
Knighthawks 6 Rock 10 -8.4
-0.4
Swarm 15 Knighthawks 9 -6.2
-0.3
Black Wolves 15 Bandits 16 +0.8
Rush 8 Mammoth 7 +0.8
Bandits 11 Black Wolves 14 -0.5
Roughnecks 10 Stealth 13 -0.1
Rock 12 Swarm 13 +0.1
If winner is:HomeAway
Week of 2/25100.0*Chance in playoffs100.0*Average seed
Stealth vs Knighthawks-9.0+12.5
-0.4+0.6
Rush vs Roughnecks+1.2-1.6
+0.0-0.1
Bandits vs Rock-1.2+0.9
-0.1+0.0
Black Wolves vs Mammoth-0.2+0.2

What If

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

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789Count
1210-0In254625518,538
119-1In423442810116,072
108-2100.0%0324561610673,973
97-398.002334617202,328,202
86-471.604254224505,248,939
75-517.60216403488,087,619
64-60.7011144458,619,828
53-70.00015856,290,303
42-8Out02983,000,895
31-9Out0100844,708
20-10Out100116,765
Total:23.6%001471116223935,345,842
Games Above .500
Chance Will Make Playoffs