Change is a natural outgrowth of health. Think of a healthy child. As healthy kids grow, they need to change. They need bigger shirts, different size shoes and more to eat. If nothing else, change is needed to accommodate growth.
2) The Natural Lifecycle of the Church Requires Change.
Churches go through various lifecycle phases. First there is the church plant phase, similar to infancy. Often the church does not have its own facilities. It has its first pastor and often he is the only staff member.