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.
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%
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.