1. The problem is to find the result of subtracting 33 from 100. 2. The subtraction formula is $a - b = c$, where $a$ is the minuend, $b$ is the subtrahend, and $c$ is the difference. 3. Here, $a = 100$ and $b = 33$. 4. Perform the subtraction: $$100 - 33 = 67$$ 5. Therefore, the answer is 67.