-3.13% is the change from 957 to 927
Calculation steps:
[( 927 - 957 ) ÷ 957] x 100 = -3.13%
Formula
Percentage change = [(927 - 957) / 957] x 100
Subtract the new number by the original number
927 - 957 = -30
-30 ÷ 957 = -0.03134796238244514
-0.03134796238244514 x 100 = -3.13%