The formula to calculate the Year-over-Year (YOY) growth is:
\[ \text{YOY} = \frac{\text{final year} - \text{initial year}}{\text{initial year}} \times 100 \]
Let's calculate the YOY growth:
Using the formula:
\[ \text{YOY} = \frac{120,000 - 100,000}{100,000} \times 100 = 20\% \]