-11.02% is the change from 971 to 864
Calculation steps:
[( 864 - 971 ) ÷ 971] x 100 = -11.02%
Formula
Percentage change = [(864 - 971) / 971] x 100
Subtract the new number by the original number
864 - 971 = -107
-107 ÷ 971 = -0.1101956745623069
-0.1101956745623069 x 100 = -11.02%