How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Wednesday, 1/14100.0*Chance in playoffs100.0*Average seed
JBS 6 ASG 3 +21.4
+0.5
BLEH 4 IASGIP 2 +3.3
+0.1
Thursday, 1/15100.0*Chance in playoffs100.0*Average seed
IASGIP 4 JBS 1 -18.1
-0.3
If winner is:HomeAway
V+D vs ASG+14.4-8.8
+0.2-0.1

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456Count
91-094.7%4747556,683,375
80-156.1564430,761,661
Total:81.1%31501987,445,036
Games Above .500
Chance Will Make Playoffs