-99.18% is the change from 971 to 8
Calculation steps:
[( 8 - 971 ) ÷ 971] x 100 = -99.18%
Formula
Percentage change = [(8 - 971) / 971] x 100
Subtract the new number by the original number
8 - 971 = -963
-963 ÷ 971 = -0.9917610710607621
-0.9917610710607621 x 100 = -99.18%