May 26 2023 01:14 PM - edited May 26 2023 01:22 PM
This formula works good until the first referenced cell is an empty cell, then it returns FALSE. I couldn't find any buttons to upload the sheet, so I posted a copy here...
=IF(A3<>"",IF(C3<>C2,C3-C2,IF(C3=C2,0,"")))
May 26 2023 01:30 PM