-18.77% is the change from 554 to 450
Calculation steps:
[( 450 - 554 ) ÷ 554] x 100 = -18.77%
Formula
Percentage change = [(450 - 554) / 554] x 100
Subtract the new number by the original number
450 - 554 = -104
-104 ÷ 554 = -0.18772563176895307
-0.18772563176895307 x 100 = -18.77%