-66.19% is the change from 485 to 164
Calculation steps:
[( 164 - 485 ) ÷ 485] x 100 = -66.19%
Formula
Percentage change = [(164 - 485) / 485] x 100
Subtract the new number by the original number
164 - 485 = -321
-321 ÷ 485 = -0.6618556701030928
-0.6618556701030928 x 100 = -66.19%