The stem-and-leaf plot below shows the length (in seconds) for a random sample of 44 eruptions of a geyser. The sample mean is 104.14 seconds and the sample standard deviation is 6.25 seconds.
According to the empirical rule, the expected percentage of eruptions lasting between 91.64 seconds and 116.64 seconds is _______% .
Using the stem-and-leaf display, the actual percentage of eruptions lasting between 91.64 seconds and 116.64 seconds is ______% .