-1.02% is the change from 981 to 971
Calculation steps:
[( 971 - 981 ) ÷ 981] x 100 = -1.02%
Formula
Percentage change = [(971 - 981) / 981] x 100
Subtract the new number by the original number
971 - 981 = -10
-10 ÷ 981 = -0.010193679918450561
-0.010193679918450561 x 100 = -1.02%