23.03% is the change from 673 to 828
Calculation steps:
[( 828 - 673 ) ÷ 673] x 100 = 23.03%
Formula
Percentage change = [(828 - 673) / 673] x 100
Subtract the new number by the original number
828 - 673 = 155
155 ÷ 673 = 0.2303120356612184
0.2303120356612184 x 100 = 23.03%