-15.03% is the change from 173 to 147
Calculation steps:
[( 147 - 173 ) ÷ 173] x 100 = -15.03%
Formula
Percentage change = [(147 - 173) / 173] x 100
Subtract the new number by the original number
147 - 173 = -26
-26 ÷ 173 = -0.15028901734104047
-0.15028901734104047 x 100 = -15.03%