How are these numbers calculated?

Big Games

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

Week of 6/9100.0*Chance in playoffs100.0*Average seed
Rooters 690 Batboys 604 -6.6
-0.1
Men 712 Dry Ice 755 +1.8
If winner is:HomeAway
Week of 6/16100.0*Chance in playoffs100.0*Average seed
Batboys vs Men+5.4-5.5
+0.1-0.1

What If

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

100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234Count
139-097.5%36622242
128-169.5960301,807
117-232.6131677,042
106-310.50108916,408
95-41.929824,880
84-50.1010024,945
4-7Out10025,172*
Total:6.0%0694100,496

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs