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 -0.4
-0.4
Knighthawks 11 Bandits 10 -0.1
Roughnecks 18 Black Wolves 13 +0.1
Rock 13 Stealth 7 +0.1
-0.1
Rush 13 Roughnecks 10 -0.1
If winner is:HomeAway
Week of 3/31100.0*Chance in playoffs100.0*Average seed
Swarm vs Mammoth+0.6-0.7
+0.6-0.7
Black Wolves vs Rock-0.1+0.1
+0.1-0.1
Knighthawks vs Roughnecks-0.1+0.1
Bandits vs Rush-0.1+0.1
+0.1-0.1
Stealth vs Rock-0.1+0.0
+0.1-0.1

What If

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

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789Count
146-0In10030,083,795
135-1In946144,409,510
124-2In633340290,668,293
113-3In16433380311,031,870
102-4In18364870186,511,201
91-597.7%00226432620059,433,843
80-627.20324551818,147,222
Total:99.3%39251813421001,030,285,734
Games Above .500
Chance Will Make Playoffs