Answer and Explanation:
Evolutionary change is an extremely slow process whereas revolutionary change is a very rapid change. Under the developmental change, people have slowly explained to reform an organization while on the contrary, it acts as a mandate in revolutionary change. This is the type of pressure.
In no way in developmental change. Used to be given. If a type of product is developing slowly, then in such production managers are implementing evolutionary changes whereas if this change is happening more rapidly then we can say that managers are using revolutionary changes.