-0.71% is the change from 848 to 842
Calculation steps:
[( 842 - 848 ) ÷ 848] x 100 = -0.71%
Formula
Percentage change = [(842 - 848) / 848] x 100
Subtract the new number by the original number
842 - 848 = -6
-6 ÷ 848 = -0.007075471698113208
-0.007075471698113208 x 100 = -0.71%