1. Created the points on a map and used the Spatial Match tool to associate Locations with Postcodes. I then summed, grouping by area and counting the rows. I then sorted descending by number of casualties and took the first one.
Answer: LS8 - 1385
2. Isolated the stats for 2014 and 2015, then isolated those after September 1st. Two streams, one of the full years, one with the dates restricted to after September 1st. Formula to calculate %.
Answer = 36.844229
3. Applied multi-row formula to step 2.
Answer = 0.951074