-42.28% is the change from 842 to 486
Calculation steps:
[( 486 - 842 ) ÷ 842] x 100 = -42.28%
Formula
Percentage change = [(486 - 842) / 842] x 100
Subtract the new number by the original number
486 - 842 = -356
-356 ÷ 842 = -0.42280285035629456
-0.42280285035629456 x 100 = -42.28%