This table lists the change over time in population of a small town in France. Between  which two consecutive entries from the table did the rate of population growth change the most? Explain your math.
This table lists the change over time in population of a small town in France. Between  which two consecutive entries from the table did the rate of population growth change the most? Explain your math.
The rate of population growth changed the most between the entries for 1962 and 1968. Between 1911 and 1962, there was a -41.9% change in population, and between 1962 and 1968 there was a +11.2% change in population. The rate of change of population growth was |(−41.9% - +11.2%)| = 53.1% change, which is larger than the absolute difference between any other two consecutive rows in the table.
The rate of population growth changed the most between the entries for 1962 and 1968. Between 1911 and 1962, there was a -41.9% change in population, and between 1962 and 1968 there was a +11.2% change in population. The rate of change of population growth was |(−41.9% - +11.2%)| = 53.1% change, which is larger than the absolute difference between any other two consecutive rows in the table.
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Historical population
Year	Pop.	±%
1911	752	—    
1962	437	−41.9%
1968	486	+11.2%
1975	398	−18.1%
1982	393	−1.3%
1990	382	−2.8%
1999	395	+3.4%
2008	441	+11.6%
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