How are these numbers calculated?

Big Games

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

Week of 2/12100.0*Pres Trophy100.0*Average seed
Da Pekka Heads 7 Chief Wannawin 5 +3.4
+0.4
Babych-Patch Kid 6 Peter North Stars 5 +3.4
Waynes World 5 SURREY ALL-STARS 5 +0.2
If winner is:HomeTieAway
Week of 2/19100.0*Pres Trophy100.0*Average seed
Peter North Stars vs Da Pekka HeadsNo-12.7+17.3
-0.2-0.2+0.2
Tom Jones vs SURREY ALL-STARS+0.1-0.1-0.1

What If

Chances based on how well the Da Pekka Heads finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inPresChance will finish regular season at seedToilet
TPW-L-TplayoffsTrophy123456789101112BowlCount
302-0-0In59.2%5941No4,011,176
291-0-1In28.72971No327,968
281-1-0In4.1496No8,023,493
0-0-2InNo982No6,737
270-1-1InNo7624No327,651
260-2-0InNo7426No4,016,111
Total:In16.7%17777No16,713,136
Games Above .500
Chance Will Make Playoffs