-97.01% is the change from 971 to 29
Calculation steps:
[( 29 - 971 ) ÷ 971] x 100 = -97.01%
Formula
Percentage change = [(29 - 971) / 971] x 100
Subtract the new number by the original number
29 - 971 = -942
-942 ÷ 971 = -0.9701338825952626
-0.9701338825952626 x 100 = -97.01%