-35.56% is the change from 450 to 290
Calculation steps:
[( 290 - 450 ) ÷ 450] x 100 = -35.56%
Formula
Percentage change = [(290 - 450) / 450] x 100
Subtract the new number by the original number
290 - 450 = -160
-160 ÷ 450 = -0.35555555555555557
-0.35555555555555557 x 100 = -35.56%