Test-ProgressWorking.ps1

$Count = 0
Do {
    $TotProg = 0
    ForEach ($Job in $Jobs)
    {   Try {
            $Prog = ($Job | Get-Job).ChildJobs[0].Progress.StatusDescription[-1]
            If ($Prog -is [char])
            {   $Prog = 0
            }
            $TotProg += $Prog
        }
        Catch {
            Start-Sleep -Milliseconds 500
            Break
        }
    }
    Write-Progress -Id 1 -Activity "Watching Background Jobs" -Status "Waiting for background jobs to complete: $TotProg of $Total" -PercentComplete (($TotProg / $Total) * 100)
    Start-Sleep -Seconds 3

} Until (($Jobs | Where State -eq "Running").Count -eq 0)