java calculate percentage from decimal values

public String getAgegt150Per() {
		BigDecimal bd3 = agegt150.divide(this.totalPayment,
				RoundingMode.HALF_UP);
		Integer val = bd3.multiply(new BigDecimal(100)).intValue();
		if (val.intValue() == 0)
			return "";
		else
			return val.toString() + "%";
	}