Do you know how to calculate the growth rate of the next year? Enter reading mode

The problem of alternate year growth is a common test point in the analysis of line survey data. It mainly focuses on the value of the growth rate of the next year. How to determine the next year growth rate quickly and accurately? Next, public education will bring you this part of knowledge sharing.

[Example 1] In the first three quarters of 2019, Hainan's regional GDP reached 386.58 billion yuan, an increase of 5.5% over the same period last year. In the first three quarters of 2018, the regional GDP of Hainan Province increased by 5.4% over the same period of the previous year.

Question: Compared with the same period in 2017, what percentage of Hainan's GDP increased in the first three quarters of 2019?

A.3.5% B.7% C.9.9% D.10.2%

[Example 2] In the second quarter of 2019, China's excavator sales totaled 163000 units, up 14.8% year on year and 52.7% year on year.

Question: In the second quarter of 2019, the cumulative sales volume of excavators in China increased by several percent over the second quarter of 2017?

A.56.3% B.67.5% C.75.3% D.78.9%

Through the exercises on the above topics, we believe that we have learned to calculate the growth rate of the next year. We must practice and think hard in the future learning process.