1. The problem is to calculate $16$ divided by $-2$, and then divide the result by $2$. 2. First, divide $16$ by $-2$: $$\frac{16}{-2} = -8$$ 3. Next, take the result $-8$ and divide it by $2$: $$\frac{-8}{2} = -4$$ 4. Therefore, the final answer is $-4$.