Calcluate the % Growth Rate ((Period 2 / Period 1) - 1) - BUT if the growth rate is negative, show it as a 0%, and if there is no growth rate to calculate (e.g, Period 1 is 0, therefore creating a Division by 0 error), show "N/A".

  

Period 1 Period 2 46.50 $ 46.71 S 71.51 S 23.79 S 90.87 S 73.74 96.33 26.37 99.84 41.95 19.85 S 30.91 S 86.75 S 85.10 $ 67.83 $ 70.74 S 86.89 $ 85.01 $ 81.93 68.07 50.49 92.32 52.05 50.73 88.33 10.65 $ 24.9 96.50 S 17.3