7.45% is the change from 161 to 173
Calculation steps:
[( 173 - 161 ) ÷ 161] x 100 = 7.45%
Formula
Percentage change = [(173 - 161) / 161] x 100
Subtract the new number by the original number
173 - 161 = 12
12 ÷ 161 = 0.07453416149068323
0.07453416149068323 x 100 = 7.45%