-21.78% is the change from 450 to 352
Calculation steps:
[( 352 - 450 ) ÷ 450] x 100 = -21.78%
Formula
Percentage change = [(352 - 450) / 450] x 100
Subtract the new number by the original number
352 - 450 = -98
-98 ÷ 450 = -0.21777777777777776
-0.21777777777777776 x 100 = -21.78%