-41.99% is the change from 936 to 543
Calculation steps:
[( 543 - 936 ) ÷ 936] x 100 = -41.99%
Formula
Percentage change = [(543 - 936) / 936] x 100
Subtract the new number by the original number
543 - 936 = -393
-393 ÷ 936 = -0.4198717948717949
-0.4198717948717949 x 100 = -41.99%