The key difference between Business analysis and Business analytics is the first one is more functions and process related whereas the second one is data related.
Business analysis – recognizes business needs and determine the solutions to that problems. Tools and techniques like SWOT, PESTEL, CATWOE, MOST, FIVE WHY, etc. are used for business analysis.
Business analytics – handles data and analyze data to get insights into a business. Finally, it generates reports. Mainly four types of business analytics are used, and they are – descriptive analytics, decisive analytics, prescriptive analytics, and predictive analytics Tools and technologies like Big data, BI is used for this purpose.