-65.79% is the change from 497 to 170
Calculation steps:
[( 170 - 497 ) ÷ 497] x 100 = -65.79%
Formula
Percentage change = [(170 - 497) / 497] x 100
Subtract the new number by the original number
170 - 497 = -327
-327 ÷ 497 = -0.6579476861167002
-0.6579476861167002 x 100 = -65.79%