-74.64% is the change from 485 to 123
Calculation steps:
[( 123 - 485 ) ÷ 485] x 100 = -74.64%
Formula
Percentage change = [(123 - 485) / 485] x 100
Subtract the new number by the original number
123 - 485 = -362
-362 ÷ 485 = -0.7463917525773196
-0.7463917525773196 x 100 = -74.64%