-9.72% is the change from 957 to 864
Calculation steps:
[( 864 - 957 ) ÷ 957] x 100 = -9.72%
Formula
Percentage change = [(864 - 957) / 957] x 100
Subtract the new number by the original number
864 - 957 = -93
-93 ÷ 957 = -0.09717868338557993
-0.09717868338557993 x 100 = -9.72%