-41.37% is the change from 950 to 557
Calculation steps:
[( 557 - 950 ) ÷ 950] x 100 = -41.37%
Formula
Percentage change = [(557 - 950) / 950] x 100
Subtract the new number by the original number
557 - 950 = -393
-393 ÷ 950 = -0.41368421052631577
-0.41368421052631577 x 100 = -41.37%