-43.57% is the change from 957 to 540
Calculation steps:
[( 540 - 957 ) ÷ 957] x 100 = -43.57%
Formula
Percentage change = [(540 - 957) / 957] x 100
Subtract the new number by the original number
540 - 957 = -417
-417 ÷ 957 = -0.43573667711598746
-0.43573667711598746 x 100 = -43.57%