Request search criteria in Jira to compare & view deviation in numeric field value

[Anamika Sharma]

I want to prepare a query (search criteria) in Jira to view effort estimate difference.

For example:

If in initial Jira stage, effort estimates was 10 days captured under field 'ACF0 estimates' and in later Jira stage actual effort logged in by team is 12 days under field 'ACF1 estimates'.

I require help with advance search syntax to fetch list of Jira tickets where field value does not match, i.e. 'ACF0 estimates' != 'ACF1 estimates'.

Thanks & Regards