28.9% is the change from 173 to 223
Calculation steps:
[( 223 - 173 ) ÷ 173] x 100 = 28.9%
Formula
Percentage change = [(223 - 173) / 173] x 100
Subtract the new number by the original number
223 - 173 = 50
50 ÷ 173 = 0.28901734104046245
0.28901734104046245 x 100 = 28.9%