-13.96% is the change from 523 to 450
Calculation steps:
[( 450 - 523 ) ÷ 523] x 100 = -13.96%
Formula
Percentage change = [(450 - 523) / 523] x 100
Subtract the new number by the original number
450 - 523 = -73
-73 ÷ 523 = -0.13957934990439771
-0.13957934990439771 x 100 = -13.96%