-67.33% is the change from 450 to 147
Calculation steps:
[( 147 - 450 ) ÷ 450] x 100 = -67.33%
Formula
Percentage change = [(147 - 450) / 450] x 100
Subtract the new number by the original number
147 - 450 = -303
-303 ÷ 450 = -0.6733333333333333
-0.6733333333333333 x 100 = -67.33%