-96.56% is the change from 842 to 29
Calculation steps:
[( 29 - 842 ) ÷ 842] x 100 = -96.56%
Formula
Percentage change = [(29 - 842) / 842] x 100
Subtract the new number by the original number
29 - 842 = -813
-813 ÷ 842 = -0.9655581947743468
-0.9655581947743468 x 100 = -96.56%