-10.09% is the change from 971 to 873
Calculation steps:
[( 873 - 971 ) ÷ 971] x 100 = -10.09%
Formula
Percentage change = [(873 - 971) / 971] x 100
Subtract the new number by the original number
873 - 971 = -98
-98 ÷ 971 = -0.10092687950566426
-0.10092687950566426 x 100 = -10.09%