-91.97% is the change from 847 to 68
Calculation steps:
[( 68 - 847 ) ÷ 847] x 100 = -91.97%
Formula
Percentage change = [(68 - 847) / 847] x 100
Subtract the new number by the original number
68 - 847 = -779
-779 ÷ 847 = -0.9197166469893743
-0.9197166469893743 x 100 = -91.97%