topic Re: Calculating Percentages from two features in Python Questions https://community.esri.com/t5/python-questions/calculating-percentages-from-two-features/m-p/251986#M19386 <HTML><HEAD></HEAD><BODY><SPAN>It may be simplest to add a double precision item to your pre-intersect feature class (call it, say, ORIG_AREA), and calculate it to be equal to your pre-intersect Shape_Area. After the intersect, each polygon will have both the original area (ORIG_AREA) and the new area (Shape_Area). Then, just do, as they say, the math.</SPAN></BODY></HTML> Mon, 25 Jun 2012 18:20:17 GMT markdenil 2012-06-25T18:20:17Z Calculating Percentages from two features https://community.esri.com/t5/python-questions/calculating-percentages-from-two-features/m-p/251985#M19385 <HTML><HEAD></HEAD><BODY><SPAN>I have created an Intersect from a buffer and a feature class.&nbsp; I want to find the percentages of the original feature class that now lies within my buffered zone.&nbsp; I need to divide the new Shape_areas by the original Shape_areas then multiply by 100. How can I do this in Python?&nbsp; Here is my code to help visualize what i have done so far ( </SPAN><A href="http://pastie.org/4148734">http://pastie.org/4148734</A><SPAN> ) </SPAN><BR /><BR /><SPAN>Thanks!</SPAN></BODY></HTML> Mon, 25 Jun 2012 13:54:43 GMT https://community.esri.com/t5/python-questions/calculating-percentages-from-two-features/m-p/251985#M19385 WillDavis 2012-06-25T13:54:43Z Re: Calculating Percentages from two features https://community.esri.com/t5/python-questions/calculating-percentages-from-two-features/m-p/251986#M19386 <HTML><HEAD></HEAD><BODY><SPAN>It may be simplest to add a double precision item to your pre-intersect feature class (call it, say, ORIG_AREA), and calculate it to be equal to your pre-intersect Shape_Area. After the intersect, each polygon will have both the original area (ORIG_AREA) and the new area (Shape_Area). Then, just do, as they say, the math.</SPAN></BODY></HTML> Mon, 25 Jun 2012 18:20:17 GMT https://community.esri.com/t5/python-questions/calculating-percentages-from-two-features/m-p/251986#M19386 markdenil 2012-06-25T18:20:17Z