-53.44% is the change from 842 to 392
Calculation steps:
[( 392 - 842 ) ÷ 842] x 100 = -53.44%
Formula
Percentage change = [(392 - 842) / 842] x 100
Subtract the new number by the original number
392 - 842 = -450
-450 ÷ 842 = -0.5344418052256532
-0.5344418052256532 x 100 = -53.44%