This means the quantifiable actual ability of an organization to adapt and evolve to unexpected situations. Changeability is based on historical data and facts. To navigate complexity and shape a shared future, you must measure your ability to adapt based on evidence, not theory alone.
Changeability brings the real capacity of your company to adapt to change and find ways to accelerate it without overwhelming processes or individuals.
For more detailed information about Changeability, check Enterprise Agility Fundamentals, Chapter 8.