28.37% is the change from 423 to 543
Calculation steps:
[( 543 - 423 ) ÷ 423] x 100 = 28.37%
Formula
Percentage change = [(543 - 423) / 423] x 100
Subtract the new number by the original number
543 - 423 = 120
120 ÷ 423 = 0.28368794326241137
0.28368794326241137 x 100 = 28.37%