23.6% is the change from 555 to 686
Calculation steps:
[( 686 - 555 ) ÷ 555] x 100 = 23.6%
Formula
Percentage change = [(686 - 555) / 555] x 100
Subtract the new number by the original number
686 - 555 = 131
131 ÷ 555 = 0.23603603603603604
0.23603603603603604 x 100 = 23.6%