-0.72% is the change from 971 to 964
Calculation steps:
[( 964 - 971 ) ÷ 971] x 100 = -0.72%
Formula
Percentage change = [(964 - 971) / 971] x 100
Subtract the new number by the original number
964 - 971 = -7
-7 ÷ 971 = -0.007209062821833162
-0.007209062821833162 x 100 = -0.72%