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
BLEH 4 IASGIP 2 -8.5
JBS 6 ASG 3 +3.6
Thursday, 1/15100.0*Chance in playoffs100.0*Average seed
IASGIP 4 JBS 1 +20.4
If winner is:HomeAway
V+D vs ASGIn-2.1

What If

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

If finish:Chance inChance will finish regular season at seed
Games Above .500
Chance Will Make Playoffs