With reference to Figure 2, calculate the percentage change in the private rental price index between the third quarter of 2016 and the third quarter of 2022. You are advised to show your working.

| Year | Quarter | Index (approx.) |
|---|---|---|
| 2015 | Q1 | 100 |
| 2015 | Q3 | 103 |
| 2016 | Q1 | 106 |
| 2016 | Q3 | 110 |
| 2017 | Q1 | 111 |
| 2017 | Q3 | 113 |
| 2018 | Q1 | 114 |
| 2018 | Q3 | 115 |
| 2019 | Q1 | 116 |
| 2019 | Q3 | 118 |
| 2020 | Q1 | 119 |
| 2020 | Q3 | 121 |
| 2021 | Q1 | 122 |
| 2021 | Q3 | 124 |
| 2022 | Q1 | 128 |
| 2022 | Q3 | 132 |