-65.39% is the change from 497 to 172
Calculation steps:
[( 172 - 497 ) ÷ 497] x 100 = -65.39%
Formula
Percentage change = [(172 - 497) / 497] x 100
Subtract the new number by the original number
172 - 497 = -325
-325 ÷ 497 = -0.6539235412474849
-0.6539235412474849 x 100 = -65.39%