-42.84% is the change from 950 to 543
Calculation steps:
[( 543 - 950 ) ÷ 950] x 100 = -42.84%
Formula
Percentage change = [(543 - 950) / 950] x 100
Subtract the new number by the original number
543 - 950 = -407
-407 ÷ 950 = -0.4284210526315789
-0.4284210526315789 x 100 = -42.84%