How are these numbers calculated?

Big Games

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

Week of 10/18100.0*Chance in playoffs100.0*Average seed
Winnipeg 20 Toronto 26 Out
-0.1
Edmonton 13 Calgary 27 +0.0
Week of 10/24100.0*Chance in playoffs100.0*Average seed
Toronto 36 Winnipeg 21 -0.1
BC 43 Edmonton 29 +0.0
Week of 11/2100.0*Chance in playoffs100.0*Average seed
Winnipeg 7 Hamilton 37 -0.2
Saskatchewan 26 Edmonton 30 -0.2
Games Above .500
Chance Will Make Playoffs