-52.38% is the change from 842 to 401
Calculation steps:
[( 401 - 842 ) ÷ 842] x 100 = -52.38%
Formula
Percentage change = [(401 - 842) / 842] x 100
Subtract the new number by the original number
401 - 842 = -441
-441 ÷ 842 = -0.5237529691211401
-0.5237529691211401 x 100 = -52.38%