public function calculateEngagedApplicantsPercentage(): float 	{ 		$engagedApplicantsCount = $this->getEngagedApplicantsCount(); 		$totalNumberOfApplicants = $this->applicantsCount;  		return ($totalNumberOfApplicants && $engagedApplicantsCount) ? round(($engagedApplicantsCount / $totalNumberOfApplicants) * 100, 2) : 0; 	}