Study Table 1, which shows the annual housing completions and net household growth (in thousands) in the South East of England between 2016 and 2021, highlighting regional settlement and housing market challenges in the UK.
| Year | Housing Completions (thousands) | Net Household Growth (thousands) |
|---|---|---|
| 2016 | 28.5 | 32.4 |
| 2017 | 31.2 | 34.8 |
| 2018 | 33.4 | 38.6 |
| 2019 | 35.8 | 41.2 |
| 2020 | 30.1 | 39.5 |
| 2021 | 32.6 | 42.1 |
Using the data in Table 1, calculate the percentage shortfall of housing completions relative to the net household growth in the South East region in the year 2020. Give your answer to 1 decimal place.
9.4%9.4\%9.4%
23.8%23.8\%23.8%
31.2%31.2\%31.2%
22.6%22.6\%22.6%