-65.19% is the change from 497 to 173
Calculation steps:
[( 173 - 497 ) ÷ 497] x 100 = -65.19%
Formula
Percentage change = [(173 - 497) / 497] x 100
Subtract the new number by the original number
173 - 497 = -324
-324 ÷ 497 = -0.6519114688128773
-0.6519114688128773 x 100 = -65.19%