-99.49% is the change from 971 to 5
Calculation steps:
[( 5 - 971 ) ÷ 971] x 100 = -99.49%
Formula
Percentage change = [(5 - 971) / 971] x 100
Subtract the new number by the original number
5 - 971 = -966
-966 ÷ 971 = -0.9948506694129763
-0.9948506694129763 x 100 = -99.49%