TTM20172016201520142013
Restaurant-level operating margin18.2%18.2%19.7%19.4%19.2%20.2%
Restaurant-level operating margin growth (bps)-150-1502921-102-41
Operating margin-0.4%-0.4%3.2%2.5%2.2%0.5%
Operating margin growth (bps)-365-3656731173-262
Net profit margin-1.6%-1.6%2.0%1.5%1.3%0.4%
Net profit margin growth (bps)-364-364511891-833

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