How are these numbers calculated?

Big Games

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

Week of 1/19100.0*Chance in playoffs100.0*Average seed
Bremner's 0 McHugh's 1 -1.2
Week of 1/26100.0*Chance in playoffs100.0*Average seed
Orr's 1 McHugh's 0 In
+0.5

What If

Chances based on how well the Orr's finish out the regular season.   Explain

100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345Count
50-0-0In31694,171,433,100
Total:In31694,171,433,100
Games Above .500
Chance Will Make Playoffs