![]() Short Cut MethodĪn alternative method of determining the pie chart angle is by multiplying the percentage by 3.6. ![]() The slice of pie for Group C will measure 40.91°, which is equivalent to around one-fifth of the circle. The slice of pie for Group B will measure 122.72°, which is equivalent to just over a quarter of the circle. ![]() When the pie chart is drawn, the slice of pie for Group A will have an angle of 196.36° as such, it will represent just over half of the full circle. Step 2Īdd the total number of people identified in Step 1 to give you the total number of people.Īs such, in our example we have the following:ĭivide the count for each variable by the total count and then multiply this figure by 360 to determine the angle in degrees.Īs such, in our example, we have the following: For instance, let's say a newspaper subscriber list is separated into three distinct categories: A, B, and C, with the count being as follows: Category A, 1200 people, B 750 people, and C 250 people. You can do this as follows: Step 1įor each variable you wish to represent in the pie chart, identify the number of people, objects, or value. To accurately draw a pie chart, you need to identify the angle for each section within the pie. The distribution of data within pie charts is displayed in sections that are proportional to the sum of the total objects in the group. $2000 + $1500 + $3500 + $3000 = $10000 Step 3ĭivide each company total by the sum identified in Step 2 to determine the percentage of total revenue as follows:īy generating a pie chart based on this data, you can gain insights into how each variable within the total pie is representative of the sum of the pie. Sum the four values you identified in Step 1 as follows: Let's say the expenditure is as follows: A is $2000, B is $1500, C is $3500, and D is $3000. For instance, let's say we are interested in the expenditure of four companies: A, B, C, and D. The first step involves identifying all the variables within the pie chart and determining the associated count. Through the use of proportionally sized slices of pie, you can use pie charts to provide accurate and interesting data insights. Pie charts are visual representations of the way in which data is distributed. How to Calculate Percentages for a Pie Chart
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