-47.44% is the change from 957 to 503
Calculation steps:
[( 503 - 957 ) ÷ 957] x 100 = -47.44%
Formula
Percentage change = [(503 - 957) / 957] x 100
Subtract the new number by the original number
503 - 957 = -454
-454 ÷ 957 = -0.47439916405433646
-0.47439916405433646 x 100 = -47.44%