30.06% is the change from 173 to 225
Calculation steps:
[( 225 - 173 ) ÷ 173] x 100 = 30.06%
Formula
Percentage change = [(225 - 173) / 173] x 100
Subtract the new number by the original number
225 - 173 = 52
52 ÷ 173 = 0.30057803468208094
0.30057803468208094 x 100 = 30.06%