A knowledge base article about How to cancel a change request provided by the UC Berkeley IT Service Hub - Knowledge Portal
Go to Service-Now ticketing system.
Open change request module.
Select your submitted change that you wants to cancel now.
In the upper left corner, select “Additional Actions”
From this section, select “Cancel Change” from the drop down
Send an email to change board “changeboard@lists.berkeley.edu” for your cancel changed that was previously approved.