-73.87% is the change from 662 to 173
Calculation steps:
[( 173 - 662 ) ÷ 662] x 100 = -73.87%
Formula
Percentage change = [(173 - 662) / 662] x 100
Subtract the new number by the original number
173 - 662 = -489
-489 ÷ 662 = -0.7386706948640483
-0.7386706948640483 x 100 = -73.87%