-27.78% is the change from 450 to 325
Calculation steps:
[( 325 - 450 ) ÷ 450] x 100 = -27.78%
Formula
Percentage change = [(325 - 450) / 450] x 100
Subtract the new number by the original number
325 - 450 = -125
-125 ÷ 450 = -0.2777777777777778
-0.2777777777777778 x 100 = -27.78%