Comparative Trial Balance

1. Navigate to Reports> Financial > Trial Balance > Customize
2. Preview pane > Select Debit/Credit
3. Click Remove Column
4. Add Fields pane

Trial Balance: Amount

                Alternate Period Range Type = Relative to Report Date

                Cumulative Value = checked

                Alternate Period Range = Last Fiscal Year

Trial Balance: Amount

                Alternate Period Range Type = Relative to Report Date

                Cumulative Value = unchecked

Alternate Period Range = This Fiscal Year

6. Click Preview