TTM20172016201520142013
Restaurant-level operating margin27.3%28.5%30.1%30.8%30.0%31.6%
Restaurant-level operating margin growth (bps)-270-159-6983-16143
Operating margin4.3%5.4%6.7%6.0%-3.5%10.2%
Operating margin growth (bps)-221-12568950-1,36932
Net profit margin5.5%6.0%-0.4%-1.4%-7.4%5.8%
Net profit margin growth (bps)59663896601-1,31939

Notes:Restaurant-level operating margin represents restaurant-level operating income, which equals company-operated restaurants sales minus company-operated restaurant costs, which includes cost of goods sold (food, beverage and packaging), labor, occupancy and other operating costs, expressed as a % of company-operated restaurant sales