-20.37% is the change from 54 to 43
Calculation steps:
[( 43 - 54 ) ÷ 54] x 100 = -20.37%
Formula
Percentage change = [(43 - 54) / 54] x 100
Subtract the new number by the original number
43 - 54 = -11
-11 ÷ 54 = -0.2037037037037037
-0.2037037037037037 x 100 = -20.37%