23.24% is the change from 555 to 684
Calculation steps:
[( 684 - 555 ) ÷ 555] x 100 = 23.24%
Formula
Percentage change = [(684 - 555) / 555] x 100
Subtract the new number by the original number
684 - 555 = 129
129 ÷ 555 = 0.23243243243243245
0.23243243243243245 x 100 = 23.24%