Calculate Percentage: Converting 630 over 30 to Percent Form

What is the percentage of 630 over 30?

To solve this problem, we aim to determine what percentage 630 is of 30. To do this, we will use the percentage formula:

$\text{Percentage} = \left( \frac{\text{part}}{\text{whole}} \right) \times 100\%$

• Step 1: Divide the part by the whole.
  Here, the part is 630, and the whole is 30. Thus, we calculate:
  $\frac{630}{30} = 21$

• Step 2: Convert the result into a percentage.
  Now, we take the result from step 1, which is 21, and multiply it by 100:
  $21 \times 100 = 2100\%$

Therefore, 630 is $2100\%$ of 30.

The correct answer, according to the given choices, is $\textbf{2100\%}$.