-91.94% is the change from 869 to 70
Calculation steps:
[( 70 - 869 ) ÷ 869] x 100 = -91.94%
Formula
Percentage change = [(70 - 869) / 869] x 100
Subtract the new number by the original number
70 - 869 = -799
-799 ÷ 869 = -0.9194476409666283
-0.9194476409666283 x 100 = -91.94%