-47.74% is the change from 842 to 440
Calculation steps:
[( 440 - 842 ) ÷ 842] x 100 = -47.74%
Formula
Percentage change = [(440 - 842) / 842] x 100
Subtract the new number by the original number
440 - 842 = -402
-402 ÷ 842 = -0.47743467933491684
-0.47743467933491684 x 100 = -47.74%