-91.69% is the change from 842 to 70
Calculation steps:
[( 70 - 842 ) ÷ 842] x 100 = -91.69%
Formula
Percentage change = [(70 - 842) / 842] x 100
Subtract the new number by the original number
70 - 842 = -772
-772 ÷ 842 = -0.9168646080760094
-0.9168646080760094 x 100 = -91.69%