-8.54% is the change from 492 to 450
Calculation steps:
[( 450 - 492 ) ÷ 492] x 100 = -8.54%
Formula
Percentage change = [(450 - 492) / 492] x 100
Subtract the new number by the original number
450 - 492 = -42
-42 ÷ 492 = -0.08536585365853659
-0.08536585365853659 x 100 = -8.54%