-54.31% is the change from 985 to 450
Calculation steps:
[( 450 - 985 ) ÷ 985] x 100 = -54.31%
Formula
Percentage change = [(450 - 985) / 985] x 100
Subtract the new number by the original number
450 - 985 = -535
-535 ÷ 985 = -0.5431472081218274
-0.5431472081218274 x 100 = -54.31%