-4.08% is the change from 957 to 918
Calculation steps:
[( 918 - 957 ) ÷ 957] x 100 = -4.08%
Formula
Percentage change = [(918 - 957) / 957] x 100
Subtract the new number by the original number
918 - 957 = -39
-39 ÷ 957 = -0.04075235109717868
-0.04075235109717868 x 100 = -4.08%