-58.2% is the change from 957 to 400
Calculation steps:
[( 400 - 957 ) ÷ 957] x 100 = -58.2%
Formula
Percentage change = [(400 - 957) / 957] x 100
Subtract the new number by the original number
400 - 957 = -557
-557 ÷ 957 = -0.5820271682340648
-0.5820271682340648 x 100 = -58.2%