-46.56% is the change from 842 to 450
Calculation steps:
[( 450 - 842 ) ÷ 842] x 100 = -46.56%
Formula
Percentage change = [(450 - 842) / 842] x 100
Subtract the new number by the original number
450 - 842 = -392
-392 ÷ 842 = -0.4655581947743468
-0.4655581947743468 x 100 = -46.56%