Test-ProgressForJobs.ps1

$scriptblock = {
    $repetitions = 10
    for($i = 1; $i -le $repetitions; $i++)
    {
        #The work is currently simulated by sleeping
        Start-Sleep -Seconds 2
        #Write some information about how far we have come
        Write-Output @{
            Message = "We're at step $i"
            PercentComplete = ($i * 100 / $repetitions)
        }
    }
}
$job = Start-Job $scriptblock

#This implementation does not work if the job goes to "Failed" state or other error state
while($job.State -ne "Completed" -or $job.HasMoreData)
{
    #This implementation does not sum all work, instead takes only the last output information
    $output = $job | Receive-Job | Select -Last 1
    if ($output)
    {
        $progressInfo = @{
            Activity = "Work"
            Status = "Working"
            PercentComplete = $output.PercentComplete
            CurrentOperation = $output.Message
        }
        Write-Progress @progressInfo
    }
    Start-Sleep -Seconds 1
}
Write-Progress -Activity "Work" -Completed