-4.33% is the change from 993 to 950
Calculation steps:
[( 950 - 993 ) ÷ 993] x 100 = -4.33%
Formula
Percentage change = [(950 - 993) / 993] x 100
Subtract the new number by the original number
950 - 993 = -43
-43 ÷ 993 = -0.0433031218529708
-0.0433031218529708 x 100 = -4.33%