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
Swarm 11 Rock 12 +4.8
+0.6
Rock 13 Stealth 7 +4.8
+0.5
Knighthawks 11 Bandits 10 +0.5
+0.1
Mammoth 14 Rush 11 -0.2
Rush 13 Roughnecks 10 +0.1
-0.1
Roughnecks 18 Black Wolves 13 +0.1
+0.1
If winner is:HomeAway
Week of 3/31100.0*Chance in playoffs100.0*Average seed
Black Wolves vs Rock-1.7+1.4
-0.6+0.5
Stealth vs Rock-1.6+1.3
-0.5+0.4
Knighthawks vs Roughnecks-0.2+0.2
Bandits vs Rush-0.2+0.2

What If

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

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789Count
135-0In94649,264,647
124-1In623430206,143,018
113-2In16443370345,682,082
102-3In083447110288,773,468
91-496.2%002224627400120,200,223
80-549.0006424011020,222,296
Total:98.6%22242118941001,030,285,734
Games Above .500
Chance Will Make Playoffs