-2.4% is the change from 957 to 934
Calculation steps:
[( 934 - 957 ) ÷ 957] x 100 = -2.4%
Formula
Percentage change = [(934 - 957) / 957] x 100
Subtract the new number by the original number
934 - 957 = -23
-23 ÷ 957 = -0.024033437826541274
-0.024033437826541274 x 100 = -2.4%