-68.32% is the change from 505 to 160
Calculation steps:
[( 160 - 505 ) ÷ 505] x 100 = -68.32%
Formula
Percentage change = [(160 - 505) / 505] x 100
Subtract the new number by the original number
160 - 505 = -345
-345 ÷ 505 = -0.6831683168316832
-0.6831683168316832 x 100 = -68.32%