If cells are marked with "percent" number format in a XLSX sheet, rows will present a couple of issues.
If in any such cell there is text content, rows breaks with an exception in the Decimal conversion (traceback to come later) (this was my real life issue - and exploring it revealed the next flaw)
If a cell contains the '100%' value, it is improperly considered as '1':
If cells are marked with "percent" number format in a XLSX sheet, rows will present a couple of issues.
This issue is also present on the
ODS
plug-in.