22.29% is the change from 673 to 823
Calculation steps:
[( 823 - 673 ) ÷ 673] x 100 = 22.29%
Formula
Percentage change = [(823 - 673) / 673] x 100
Subtract the new number by the original number
823 - 673 = 150
150 ÷ 673 = 0.22288261515601784
0.22288261515601784 x 100 = 22.29%