How are these numbers calculated?

Big Games

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

Week of 4/8100.0*Average seed
Swarm 17 Mammoth 10 -0.2
Bandits 14 Knighthawks 12 -0.1
Black Wolves 14 Rush 13 +0.1
Week of 4/15100.0*Average seed
Bandits 14 Rock 8 -0.2
Rock 12 Bandits 9 +0.1
If winner is:HomeAway
Rush vs Mammoth-0.6+0.6

What If

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

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789Count
122-0In563861,604,879
111-1In2266653,209,726
100-2In50501,607,345
Total:In152247156,421,950
Games Above .500
Chance Will Make Playoffs