18.24% is the change from 581 to 687
Calculation steps:
[( 687 - 581 ) ÷ 581] x 100 = 18.24%
Formula
Percentage change = [(687 - 581) / 581] x 100
Subtract the new number by the original number
687 - 581 = 106
106 ÷ 581 = 0.18244406196213425
0.18244406196213425 x 100 = 18.24%