This value shows the follower growth of the influencer in the last 30 days. The bar chart also indicates the growth rate compared to influencers of a similar size, in terms of followers. In our experience, growth is the most telling information to determine the quality of the influencer. High follower growth has a positive effect on most other scores and is a very reliable value to predict the success of a campaign. 

Calculation: follower count (current) / [follower count (current) - follower count (30 days ago)]