The pie chart illustrates the distribution of the total five-year change in volunteer numbers across five distinct divisions of a Natural Resource Management Service. The percentages represent each division's share of this overall change.
Overall, the Forestry division accounted for the largest proportion of the change in volunteer numbers, while Environmental Education saw the smallest share. The contributions varied significantly among the divisions.
Forestry was responsible for the highest percentage of the change, at 30%. This was followed by Water Resources, which contributed 25% of the total change. Wildlife Protection came next with a 20% share, making it the third-largest contributor among the five divisions. Combined, these three divisions represented a substantial majority of the overall change.
In contrast, Soil Conservation accounted for 15% of the change in volunteer numbers. The smallest contribution came from Environmental Education, with just 10%. This figure was three times less than that of the leading division, Forestry, highlighting a considerable difference in their respective impacts on the total volunteer change.