-53.08% is the change from 957 to 449
Calculation steps:
[( 449 - 957 ) ÷ 957] x 100 = -53.08%
Formula
Percentage change = [(449 - 957) / 957] x 100
Subtract the new number by the original number
449 - 957 = -508
-508 ÷ 957 = -0.5308254963427377
-0.5308254963427377 x 100 = -53.08%