-73.67% is the change from 657 to 173
Calculation steps:
[( 173 - 657 ) ÷ 657] x 100 = -73.67%
Formula
Percentage change = [(173 - 657) / 657] x 100
Subtract the new number by the original number
173 - 657 = -484
-484 ÷ 657 = -0.7366818873668188
-0.7366818873668188 x 100 = -73.67%