A study has been conducted by management consulting heavyweight PwC which has identified the major traits which companies must follow in order to execute the principle of change management. The top management of the company must curate a company culture which will be followed across the organization at all levels. The change management principles will be applied from the top but every layer needs to get involved. The new medium of thinking must be applied to rational as well as emotional cases. Constant employee as well as customer engagement needs to be sought by the management. Leadership however must not be restricted to only the official channels. Formal as well as informal approaches must be leveraged in order to provide solutions. Although a corporate strategy document ought to be framed and followed certain deviations may be allowed depending on the assessment of work till certain point. Adaptations may be devised accordingly.

Source: http://www.strategy-business.com/pictures/A-Guide-to-Leading-Change-Management29