How are these numbers calculated? (show)

Points Behind 1st  (Full Screen)
Chance Will Win Championship  (Full Screen)
RaceFinishStartLapsLeadPointsBonusTotal
GAINSCO Auto Insurance Indy 3002225501212
Honda Grand Prix of St. Petersburg1420821616
Indy Japan 30013141921717
Toyota Grand Prix of Long Beach
RoadRunner Turbo Indy 30013151971717
92nd Indianapolis 500
ABC Supply Company A.J. Foyt 225
Bombardier Learjet 550
Iowa Corn Indy 250
SunTrust Indy Challenge
Camping World Watkins Glen Grand Prix2624151010
Firestone Indy 200
Honda 200
Rexall Edmonton Indy
Meijer Indy 300
Motorola Indy 300
Detroit Indy Grand Prix
Peak Antifreeze Indy 300
536072+0=72