Challenge/Objective at beginning of the campaign:

Tracking Table
  1. Low volume of Conversions
  2. High CPA
  3. High CPC

Achievements - ROI/Clicks/Sales/Spend reduction or anything else you can think of.

Table
  1. Conversion Volume Increased.
  2. CPA decreased by : 12.13%
  3. CPC decreased by :- 15.42%

Month Wise Data:

Graph