Corey's Cold Cuts reported sales of $67 million last year. The company estimates that its customers spent an average of $12.63 per person across all cold cuts vendors, while the average cold cut buyer overall spent $17.98 per person on cold cuts. Calculate usage index for Corey's Cold Cuts customers. Report your answer as a percent. Round your answer to the nearest tenth of a percent. Report 25.5%, for example, as "25.5".