15.74% is the change from 591 to 684
Calculation steps:
[( 684 - 591 ) ÷ 591] x 100 = 15.74%
Formula
Percentage change = [(684 - 591) / 591] x 100
Subtract the new number by the original number
684 - 591 = 93
93 ÷ 591 = 0.15736040609137056
0.15736040609137056 x 100 = 15.74%