public String getPercent(int jobID) {
		StringBuilder sb = new StringBuilder();
		HashMap<Integer, Integer> taskCount = dfs.getJobTaskCount();
		if (jobFinishedTask.get(jobID) != null && taskCount.get(jobID) != null) {
			int total = taskCount.get(jobID);
			int finished = jobFinishedTask.get(jobID).size();
			int percentage = finished * 100 / total;
			if (percentage > 100) {
				percentage = 100;
			}
			sb.append(percentage);
		}
		else {
			sb.append("0");
		}
		sb.append("%");
		return sb.toString();
	}