-13.69% is the change from 453 to 391
Calculation steps:
[( 391 - 453 ) ÷ 453] x 100 = -13.69%
Formula
Percentage change = [(391 - 453) / 453] x 100
Subtract the new number by the original number
391 - 453 = -62
-62 ÷ 453 = -0.1368653421633554
-0.1368653421633554 x 100 = -13.69%