This report analyzes the impact of change on Sainsbury's strategy and operations, and explores internal and external change drivers, barriers to change, and leadership approaches to dealing with change. It includes a comparative analysis of Sainsbury and Asda, and uses SWOT and PEST analyses to evaluate the organization's strengths, weaknesses, opportunities, and threats. The report also discusses measures to reduce the impact of negative change, and the implications of internal and external drivers of change.