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If you've created a change request and realize that it really needs to be cancelled, then you can do so. If you've just created a new request and haven't saved it or clicked next-stage, you can cancel it by just exiting or just closing that page, or by clicking the green plus sign in the upper left to open a new change request. Otherwise, to cancel a change, identify the phase of the change above, which will be either Initiate, Review & Authorize, Plan & Schedule or Implement. Then, click the downward arrow in that field and select "cancel". This will immediately close the request. Unfortunately, it is not possible to completely delete the request without a trace, so some thought should come before opening any new request.
One suggested question to ask before opening a change request is:
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