-0.84% is the change from 957 to 949
Calculation steps:
[( 949 - 957 ) ÷ 957] x 100 = -0.84%
Formula
Percentage change = [(949 - 957) / 957] x 100
Subtract the new number by the original number
949 - 957 = -8
-8 ÷ 957 = -0.008359456635318705
-0.008359456635318705 x 100 = -0.84%