15.35% is the change from 593 to 684
Calculation steps:
[( 684 - 593 ) ÷ 593] x 100 = 15.35%
Formula
Percentage change = [(684 - 593) / 593] x 100
Subtract the new number by the original number
684 - 593 = 91
91 ÷ 593 = 0.15345699831365936
0.15345699831365936 x 100 = 15.35%