The given pie charts depict the breakdown of outcomes of a survey regarding assessment of customer service at the Parkway Hotel in 2 years of 2005 and 2010. There were 100 respondents in that survey.
Overall, it can be seen that the quality of customer service at the Parkway Hotel made significant strides. In 2005, a majority of customers rated its customer service satisfactory, whereas after 5 years, “good” feedback constituted a leading portion.
Examining in detail, it is salient when it comes to the rate of “excellent”. The hotel made a huge progress, showcasing in 28% in 2010 which was nearly as five times as the proportion in the five previous years. Not only did it experience a substantial growth in the excellent feedback, the number of customers rating good also improved, with 30% in 2010 compared to only 14% in 2005. However, there was a dramatic drop regarding the rating of “satisfactory”. Nearly three times as many customers rated satisfactory in 2010 than in 2005, with 45% and 17 % respectively.
By the same token, the portion of rating “poor” and “very poor” inevitably decreased significantly. By 2015, the portion of respondents regarding these negative feedback had been only half of that in 2005.