-96.38% is the change from 800 to 29
Calculation steps:
[( 29 - 800 ) ÷ 800] x 100 = -96.38%
Formula
Percentage change = [(29 - 800) / 800] x 100
Subtract the new number by the original number
29 - 800 = -771
-771 ÷ 800 = -0.96375
-0.96375 x 100 = -96.38%