According to the CRISC Review Manual (Digital Version), the percentage of successful changes is the most effective key performance indicator (KPI) for change management, as it measures thequality and effectiveness of the change management process and its alignment with the organization's objectives and requirements. The percentage of successful changes helps to:
Evaluate the extent to which the changes have met the expected outcomes and benefits Identify and analyze the root causes of any failed or problematic changes and implement corrective actions or improvement measures Monitor and report the performance and progress of the change management process and its impact on the organization Enhance the confidence and satisfaction of the stakeholders and customers with the change management process and its results References = CRISC Review Manual (Digital Version), Chapter 2: IT Risk Assessment, Section 2.4: IT Risk Scenarios, pp. 107-1081