-67.56% is the change from 450 to 146
Calculation steps:
[( 146 - 450 ) ÷ 450] x 100 = -67.56%
Formula
Percentage change = [(146 - 450) / 450] x 100
Subtract the new number by the original number
146 - 450 = -304
-304 ÷ 450 = -0.6755555555555556
-0.6755555555555556 x 100 = -67.56%