-4.7% is the change from 957 to 912
Calculation steps:
[( 912 - 957 ) ÷ 957] x 100 = -4.7%
Formula
Percentage change = [(912 - 957) / 957] x 100
Subtract the new number by the original number
912 - 957 = -45
-45 ÷ 957 = -0.047021943573667714
-0.047021943573667714 x 100 = -4.7%