How are these numbers calculated?

Big Games

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

Week of 1/11100.0*Chance in playoffs100.0*Promoted100.0*Average seed
ASM Clermont 46 Chiefs 3 -0.2
Ulster 23 Glasgow 6 +0.1
Week of 1/18100.0*Chance in playoffs100.0*Promoted100.0*Average seed
Chiefs 20 Leinster 29 Out
No
-0.3
Games Above .500
Chance Will Make Playoffs