-45.37% is the change from 994 to 543
Calculation steps:
[( 543 - 994 ) ÷ 994] x 100 = -45.37%
Formula
Percentage change = [(543 - 994) / 994] x 100
Subtract the new number by the original number
543 - 994 = -451
-451 ÷ 994 = -0.4537223340040241
-0.4537223340040241 x 100 = -45.37%