-20.62% is the change from 485 to 385
Calculation steps:
[( 385 - 485 ) ÷ 485] x 100 = -20.62%
Formula
Percentage change = [(385 - 485) / 485] x 100
Subtract the new number by the original number
385 - 485 = -100
-100 ÷ 485 = -0.20618556701030927
-0.20618556701030927 x 100 = -20.62%