-48.19% is the change from 83 to 43
Calculation steps:
[( 43 - 83 ) ÷ 83] x 100 = -48.19%
Formula
Percentage change = [(43 - 83) / 83] x 100
Subtract the new number by the original number
43 - 83 = -40
-40 ÷ 83 = -0.4819277108433735
-0.4819277108433735 x 100 = -48.19%