-97.37% is the change from 457 to 12
Calculation steps:
[( 12 - 457 ) ÷ 457] x 100 = -97.37%
Formula
Percentage change = [(12 - 457) / 457] x 100
Subtract the new number by the original number
12 - 457 = -445
-445 ÷ 457 = -0.973741794310722
-0.973741794310722 x 100 = -97.37%