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
Roughnecks 12 Mammoth 8 -8.9
-0.3
Stealth 12 Swarm 14 +2.3
+0.1
Rush 16 Stealth 12 -0.6
If winner is:HomeAway
Week of 2/3100.0*Chance in playoffs100.0*Average seed
Mammoth vs Swarm+6.5-6.5
+0.2-0.2
Roughnecks vs Rush+1.1-1.1

What If

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

100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345Count
1513-0In1000394,887
1412-1In9911,572,676
1311-2In94609,427,708
1210-3In8119034,532,239
119-4100.0%56422086,267,394
108-599.62360170155,185,140
97-692.0440498206,855,306
86-762.20105238206,852,422
75-825.3012575155,203,177
64-95.8069486,280,528
53-100.6019934,532,143
42-110.001009,426,622
2-3Out1001,967,592*
Total:65.8%13242834988,497,834

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs