Reading Time: 6 minutes According to John Kotter, Professor at Harvard Business School, 70-80% of all organisational initiatives fail. Change is Disruptive. You may think the change you want to implement is trivial, but it can have tremendous effect on the person asking to change. Change always brings disruption to the status quo. Thus, in most change initiatives people reacted with resistance and denial, nor the change is not sustainable. After a certain time, people will go back to the old status quo.