-12.69% is the change from 457 to 399
Calculation steps:
[( 399 - 457 ) ÷ 457] x 100 = -12.69%
Formula
Percentage change = [(399 - 457) / 457] x 100
Subtract the new number by the original number
399 - 457 = -58
-58 ÷ 457 = -0.12691466083150985
-0.12691466083150985 x 100 = -12.69%