-23.84% is the change from 453 to 345
Calculation steps:
[( 345 - 453 ) ÷ 453] x 100 = -23.84%
Formula
Percentage change = [(345 - 453) / 453] x 100
Subtract the new number by the original number
345 - 453 = -108
-108 ÷ 453 = -0.23841059602649006
-0.23841059602649006 x 100 = -23.84%