label expression powershell negative

Get-Datacenter -Name “xxx Datacenter” | Get-Datastore | Select-Object @{Label=”DataStore Name”;Expression={$_.Name}},@{Label=”GB Left”;Expression={[Math]::Round($_.FreeSpaceMB/1024,2)}},@{Label=”Capacity GB”;Expression={[Math]::Round($_.CapacityMB/1024,2)}},@{Label=”Free %”;Expression={[Math]::Round($_.FreeSpaceMB/$_.CapacityMB,3)*100}},@{Label=”New VMs”;Expression={[Math]::Floor(“{0:0.00;’0′}” -f (($_.FreeSpaceMB – 30000)/20480)) }} | ConvertTo-Html…