17.9% is the change from 581 to 685
Calculation steps:
[( 685 - 581 ) ÷ 581] x 100 = 17.9%
Formula
Percentage change = [(685 - 581) / 581] x 100
Subtract the new number by the original number
685 - 581 = 104
104 ÷ 581 = 0.17900172117039587
0.17900172117039587 x 100 = 17.9%