TTM20172016201520142013
Restaurant-level operating margin19.8%19.9%21.3%21.6%24.2%24.9%
Restaurant-level operating margin growth (bps)-154-142-27-60-71-140
Operating margin-6.1%-6.1%7.0%6.6%8.1%6.6%
Operating margin growth (bps)-1,326-1,31241-155155-401
Net profit margin-3.2%-3.2%5.1%4.8%5.5%4.5%
Net profit margin growth (bps)-822-82223-67101-142

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