How are these numbers calculated?

Big Games

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

Week of 1/22100.0*Chance in playoffs100.0*Average seed
Roughnecks 15 Stealth 16 +1.4
+0.5
Stealth 13 Bandits 11 +1.3
+0.4
Wings 11 Mammoth 12 -0.3
Swarm 14 Mammoth 15 -0.3
Rush 11 Bandits 7 -0.3
-0.1
Week of 1/29100.0*Chance in playoffs100.0*Average seed
Mammoth 11 Stealth 12 +0.9
+0.4
Bandits 11 Swarm 7 +0.2
+0.1
Rush 14 Roughnecks 11 +0.1

What If

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

100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011Count
110-0In10010,000,000
Total:In10010,000,000
Games Above .500
Chance Will Make Playoffs