A negative social media review can have a significant impact on a business. In today's world, social media is a powerful tool for consumers to express their opinions about products and services, and many potential customers trust online reviews just as much as personal recommendations.

Here are a few ways in which a negative social media review can affect a business:

1. Reputation damage: A bad review can damage the reputation of a business and make potential customers think twice before doing business with them. If a negative review is seen by a large number of people, it can cause significant harm to the business's reputation.

2. Loss of customers: A negative review can lead to a loss of customers, as potential customers may choose to do business with a competitor instead.

3. Decreased credibility: Negative reviews can decrease the credibility of a business and make it harder for them to attract new customers. This can be particularly damaging for small businesses or businesses that rely on local customers.

4. Increased competition: A negative review can create an opportunity for competitors to step in and win over customers who may have been considering doing business with the company.

It's important for businesses to monitor their social media presence and respond appropriately to negative reviews. This can help mitigate the impact of the negative review and show customers that the business cares about their experience.