-43.79% is the change from 966 to 543
Calculation steps:
[( 543 - 966 ) ÷ 966] x 100 = -43.79%
Formula
Percentage change = [(543 - 966) / 966] x 100
Subtract the new number by the original number
543 - 966 = -423
-423 ÷ 966 = -0.43788819875776397
-0.43788819875776397 x 100 = -43.79%