let
Source = Excel.CurrentWorkbook(){[Name="Tableau1"]}[Content],
GetDataType = (value as any) as record => Table.Schema(#table(type table [DataType = Value.Type(value)], {})){0},
TransformColumn = Table.TransformColumns(Source, {{"Organisation du salarié par période", each if GetDataType(_)[Kind]="number" then "0" & Text.From(_) else _}})
in
TransformColumn