-56.57% is the change from 99 to 43
Calculation steps:
[( 43 - 99 ) ÷ 99] x 100 = -56.57%
Formula
Percentage change = [(43 - 99) / 99] x 100
Subtract the new number by the original number
43 - 99 = -56
-56 ÷ 99 = -0.5656565656565656
-0.5656565656565656 x 100 = -56.57%