TTM20172016201520142013
Restaurant-level operating margin17.0%48.1%41.0%32.8%29.3%25.4%
Restaurant-level operating margin growth (bps)-234709826346387142
Operating margin15.9%17.6%21.9%14.7%12.1%5.7%
Operating margin growth (bps)-734-438725254639122
Net profit margin14.6%15.9%9.0%8.6%6.1%1.9%
Net profit margin growth (bps)51268341254420159

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