-11.92% is the change from 453 to 399
Calculation steps:
[( 399 - 453 ) ÷ 453] x 100 = -11.92%
Formula
Percentage change = [(399 - 453) / 453] x 100
Subtract the new number by the original number
399 - 453 = -54
-54 ÷ 453 = -0.11920529801324503
-0.11920529801324503 x 100 = -11.92%