The phrase "comparable store" refers to a retail store that is being compared to its own performance in the past. It helps measure the growth or decline in sales and other metrics of a store over a specific period of time. Full definition
This decrease was attributable to a 7.3 % decline in comparable store sales, store closures and lower online sales. (goodereader.com)
The company had flat comparable store sales growth this quarter, following 2 consecutive quarters of declines. (modestmoney.com)
It also lowered its first - quarter outlook for comparable store revenues, from 11 per cent, to between 5 per cent and 8 per cent. (canadianbusiness.com)