1. **State the problem:** We need to calculate the value of $-68 \div -4$. 2. **Recall the rule for division of negative numbers:** Dividing two negative numbers results in a positive number. 3. **Apply the division:** Calculate the absolute values first: $68 \div 4 = 17$. 4. **Determine the sign:** Since both numbers are negative, the result is positive. 5. **Final answer:** $$-68 \div -4 = 17$$