How are these numbers calculated?

Big Games

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

Week of 1/27100.0*Chance in playoffs100.0*Average seed
Stealth 12 Swarm 14 +2.8
+0.2
Rock 8 Knighthawks 9 -0.5
Black Wolves 13 Bandits 12 +0.1
If winner is:HomeAway
Week of 2/3100.0*Chance in playoffs100.0*Average seed
Mammoth vs Swarm-2.3+2.1
-0.1+0.1
Rock vs Bandits+0.2-0.2
Black Wolves vs Knighthawks-0.2+0.2

What If

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

100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345Count
17-18In1008,306,994*
1612-2In100037,758,817
1511-3In1000127,017,398
1410-4In9910293,229,040
139-5In9450491,697,232
128-6100.0%801910617,490,001
117-799.95143600589,967,159
106-897.217513030431,015,792
95-973.912151242239,578,431
84-1027.70226531999,716,885
73-113.804395730,147,625
62-120.1013876,262,839
51-130.00298797,566
40-14Out0100869,357
Total:93.8%602311522,973,855,136

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs