How are these numbers calculated?

Big Games

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

Week of 10/20100.0*Chance in playoffs100.0*Average seed
Calgary 7 Saskatchewan 30 Out
Week of 10/27100.0*Chance in playoffs100.0*Average seed
Ottawa 41 Hamilton 36 +0.1
Week of 11/3None
Games Above .500
Chance Will Make Playoffs