-39.71% is the change from 957 to 577
Calculation steps:
[( 577 - 957 ) ÷ 957] x 100 = -39.71%
Formula
Percentage change = [(577 - 957) / 957] x 100
Subtract the new number by the original number
577 - 957 = -380
-380 ÷ 957 = -0.39707419017763845
-0.39707419017763845 x 100 = -39.71%