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 +4.2
+0.2
Rock 8 Knighthawks 9 -0.4
If winner is:HomeAway
Week of 2/3100.0*Chance in playoffs100.0*Average seed
Mammoth vs Swarm-3.5+3.5
-0.2+0.2
Black Wolves vs Knighthawks-0.3+0.3
Rock vs Bandits+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
17-18In1001,182,077*
1612-2In10005,499,447
1511-3In100021,985,748
1410-4In991060,401,925
139-5In9640120,725,549
128-6100.0%831710181,032,208
117-799.95341600206,875,797
106-896.817503030181,025,280
95-971.612050262120,715,743
84-1025.10223532260,384,100
73-113.103366021,985,713
62-120.1011895,501,606
51-130.00298848,303
40-14Out0100334,338
Total:88.5%50241484988,497,834

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs