-46.44% is the change from 842 to 451
Calculation steps:
[( 451 - 842 ) ÷ 842] x 100 = -46.44%
Formula
Percentage change = [(451 - 842) / 842] x 100
Subtract the new number by the original number
451 - 842 = -391
-391 ÷ 842 = -0.4643705463182898
-0.4643705463182898 x 100 = -46.44%