-66.2% is the change from 497 to 168
Calculation steps:
[( 168 - 497 ) ÷ 497] x 100 = -66.2%
Formula
Percentage change = [(168 - 497) / 497] x 100
Subtract the new number by the original number
168 - 497 = -329
-329 ÷ 497 = -0.6619718309859155
-0.6619718309859155 x 100 = -66.2%