-42.36% is the change from 942 to 543
Calculation steps:
[( 543 - 942 ) ÷ 942] x 100 = -42.36%
Formula
Percentage change = [(543 - 942) / 942] x 100
Subtract the new number by the original number
543 - 942 = -399
-399 ÷ 942 = -0.42356687898089174
-0.42356687898089174 x 100 = -42.36%