How are these numbers calculated?

Big Games

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

Week of 3/24100.0*Chance in playoffs100.0*Average seed
Rock 13 Stealth 7 -12.1
-0.5
Mammoth 14 Rush 11 -2.1
-0.1
Roughnecks 18 Black Wolves 13 +1.6
Swarm 11 Rock 12 -1.4
-0.1
Knighthawks 11 Bandits 10 +0.6
Rush 13 Roughnecks 10 +0.4
If winner is:HomeAway
Week of 3/31100.0*Chance in playoffs100.0*Average seed
Stealth vs Rock+13.2-10.8
+0.6-0.5
Bandits vs Rush-3.2+3.2
-0.1+0.1
Black Wolves vs Rock-2.6+2.1
-0.1+0.1
Knighthawks vs Roughnecks-2.1+2.2
-0.1+0.1
Swarm vs Mammoth+1.0-1.2
+0.0-0.1

What If

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

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789Count
105-0In21747314024,110,148
94-195.6%003264521400134,817,945
83-244.801123339151303,203,665
72-34.104234825338,711,106
61-4Out22078187,804,773
50-5Out10041,638,097
Total:29.4%002410142024271,030,285,734
Games Above .500
Chance Will Make Playoffs