-39.88% is the change from 173 to 104
Calculation steps:
[( 104 - 173 ) ÷ 173] x 100 = -39.88%
Formula
Percentage change = [(104 - 173) / 173] x 100
Subtract the new number by the original number
104 - 173 = -69
-69 ÷ 173 = -0.3988439306358382
-0.3988439306358382 x 100 = -39.88%