Good reviews can, of course, improve business, but the examination proves that negative feedback can have a direct fiscal drain on companies. For instance, 86% of possible consumers said they would think twice about buying a product from a firm with negative online reviews. Also, an extra star on reviews creates a 5% to 9% average rise in revenue for a business, while just one bad review could result in a company losing approximately 30 customers. ICMediaDirect emphasizes that receiving positive reviews online leads to sales.
Online Reputation Management Journal