Process::getStagePercent

public function getStagePercent($stage)
	{
		if(intval($stage) < 0)
		{
			return 0;
		}

		if((string) intval($stage) == (string) $stage)
		{
			$stage = $this->getStageCodeByIndex($stage);
		}
		else
		{
			if(!isset($this->stages[$stage]))
				throw new FlowException('No such stage: "'.$stage.'"');
		}

		return $this->stages[$stage]['PERCENT'];
	}