-97.53% is the change from 971 to 24
Calculation steps:
[( 24 - 971 ) ÷ 971] x 100 = -97.53%
Formula
Percentage change = [(24 - 971) / 971] x 100
Subtract the new number by the original number
24 - 971 = -947
-947 ÷ 971 = -0.9752832131822863
-0.9752832131822863 x 100 = -97.53%