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
Stealth 15 Roughnecks 11 -30.2
-0.9
Rush 12 Black Wolves 13 -6.1
-0.2
Rock 8 Bandits 13 -3.9
-0.1
Swarm 17 Bandits 16 +3.0
+0.1
Mammoth 13 Knighthawks 7 -0.6
-0.0
Week of 4/22100.0*Chance in playoffs100.0*Average seed
Stealth 13 Mammoth 7 -10.2
-0.1
Knighthawks 15 Black Wolves 13 +9.2
+0.1
Rush 15 Rock 10 -3.2
-0.0
Bandits 7 Swarm 20 +0.7
+0.2
If winner is:HomeAway
Week of 4/28100.0*Chance in playoffs100.0*Average seed
Roughnecks vs Rush+13.7Out
+0.2-0.2
Black Wolves vs StealthOut+12.5
-0.2+0.2
Bandits vs RockOut+11.0
-0.1+0.1
Swarm vs Knighthawks+0.1-0.2
Knighthawks vs Swarm-0.2+0.1

What If

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

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789Count
81-025.8%266773,554,120,363
70-1Out86144,017,267,787
Total:12.1%1277117,571,388,150
Games Above .500
Chance Will Make Playoffs