How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Tuesday100.0*Chance in playoffs
EHCW 2 SCRJ 6 +0.8
HCT 1 HCC 4 -0.6
Friday100.0*Chance in playoffs
HCC 11 EHCW 2 In
SCRJ 2 HCT 7 In
SundayNone
Points
Chance Will Make Playoffs