How are these numbers calculated? (show)

Points Above 12th  (Full Screen)
Chance Will Win Championship  (Full Screen)
RaceFinishStartLapsLeadPointsBonusPenaltyTotalPurse
Daytona 500301520073100-27$269,708
Auto Club 500
UAW-DaimlerChrysler 400
Kobalt Tools 500
Food City 500
Goody’s Cool Orange 500
Samsung 500
Subway Fresh Fit 500
Aaron’s 499
Crown Royal Presents The Jim Stewart 400
Dodge Avenger 500
Coca-Cola 600
Autism Speaks 400 presented by Visa2823395797987,808
Pocono 500
Citizens Bank 40010181991134513999,208
Toyota/Save Mart 350
Lenox Industrial Tools 300
Pepsi 400
USG Sheetrock 4003028264737380,875
Allstate 400 at the Brickyard
Pennsylvania 5003839194494971,147
AMD at The Glen
3M Performance 4004011135434369,775
Sharpie 50023164989494104,958
California 500422538373785,640
Chevy Rock and Roll 400
Sylvania 300
Dover 40015433981118512389,183
Banquet 4003011209737390,422
UAW-Ford 50025117568859388,722
Bank of America 500101933713413495,733
Subway 500182950610910980,133
Georgia 5001124329130130114,008
Dickies 500
Checker Auto Parts 500
Ford 400 - Homestead-Miami
3,87781,234+15-100=1,149$1,427,320