How are these numbers calculated?

Big Games

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

Week of 4/14100.0*Chance in playoffs100.0*Average seed
Mammoth 13 Knighthawks 7 -13.1
-0.6
Rush 12 Black Wolves 13 -3.2
-0.1
Swarm 17 Bandits 16 +1.7
+0.2
Stealth 15 Roughnecks 11 +1.6
-0.1
Rock 8 Bandits 13 -1.1
-0.1
Week of 4/22100.0*Chance in playoffs100.0*Average seed
Knighthawks 15 Black Wolves 13 +7.6
+0.4
Stealth 13 Mammoth 7 -2.5
-0.1
Bandits 7 Swarm 20 -0.6
+0.2
Rush 15 Rock 10 -0.2
Week of 4/28100.0*Chance in playoffs100.0*Average seed
Knighthawks 10 Swarm 13 Out
-0.5
If winner is:HomeAway
Bandits vs Rock-0.3+0.2
Swarm vs Knighthawks-0.3+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
71-0Out1006,627,279,006
60-1Out50506,627,253,292
Total:Out752513,254,532,298
Games Above .500
Chance Will Make Playoffs