-97.39% is the change from 459 to 12
Calculation steps:
[( 12 - 459 ) ÷ 459] x 100 = -97.39%
Formula
Percentage change = [(12 - 459) / 459] x 100
Subtract the new number by the original number
12 - 459 = -447
-447 ÷ 459 = -0.9738562091503268
-0.9738562091503268 x 100 = -97.39%