How are these numbers calculated?

Big Games

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

Thursday, 8/16100.0*Chance in playoffs100.0*Average seed
Jap 10 Aus 0 -12.4
-0.3
If winner is:HomeAway
Friday, 8/17100.0*Chance in playoffs100.0*Average seed
Aus vs ChtInOut
+0.5-0.5

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678Count
41-0In10059,428,962
30-1Out10059,438,185
Total:50.0%5050118,867,147
Games Above .500
Chance Will Make Playoffs