-41.58% is the change from 950 to 555
Calculation steps:
[( 555 - 950 ) ÷ 950] x 100 = -41.58%
Formula
Percentage change = [(555 - 950) / 950] x 100
Subtract the new number by the original number
555 - 950 = -395
-395 ÷ 950 = -0.41578947368421054
-0.41578947368421054 x 100 = -41.58%