-96.66% is the change from 869 to 29
Calculation steps:
[( 29 - 869 ) ÷ 869] x 100 = -96.66%
Formula
Percentage change = [(29 - 869) / 869] x 100
Subtract the new number by the original number
29 - 869 = -840
-840 ÷ 869 = -0.9666283084004603
-0.9666283084004603 x 100 = -96.66%