You will need Limited Write Contribution to perform this action.
Under Contributions > Batches, select the desired batch and go to the "Actions" menu in the top right: There are two reports you can choose from. The report will automatically download when you choose one.
Overview
This report will give you summary information on the batch without showing the individual transactions. See below for an example of this report.
Transaction Details
This report contains a listing of all the transactions entered in the batch. See below for an example of this report.