-45.84% is the change from 842 to 456
Calculation steps:
[( 456 - 842 ) ÷ 842] x 100 = -45.84%
Formula
Percentage change = [(456 - 842) / 842] x 100
Subtract the new number by the original number
456 - 842 = -386
-386 ÷ 842 = -0.4584323040380047
-0.4584323040380047 x 100 = -45.84%