29.72% is the change from 673 to 873
Calculation steps:
[( 873 - 673 ) ÷ 673] x 100 = 29.72%
Formula
Percentage change = [(873 - 673) / 673] x 100
Subtract the new number by the original number
873 - 673 = 200
200 ÷ 673 = 0.2971768202080238
0.2971768202080238 x 100 = 29.72%