To understand if your results are good or bad - apply internal context to your data - look at historical trends.
Amplification rate - indicates how many times on average each of your posts was Shared/Retweeted (e.g. Amplification rate = 5 means that each of your posts was shared 5 times on average).
Amplification rate = # of Shares/ # of Posts
Conversation rate indicates how many Comments/Replies on average each of your posts has received (e.g. Conversation rate = 5 means each of your posts has an average of 5 comments).
Conversation rate = # of Comments/ # of Posts
Applause rate - indicates how many Likes/Likes each of your posts has received on average (e.g. Applause rate = 5 means each of your posts has an average of 5 Likes).
Applause rate = # of Likes/ # of Posts