-41.1% is the change from 73 to 43
Calculation steps:
[( 43 - 73 ) ÷ 73] x 100 = -41.1%
Formula
Percentage change = [(43 - 73) / 73] x 100
Subtract the new number by the original number
43 - 73 = -30
-30 ÷ 73 = -0.410958904109589
-0.410958904109589 x 100 = -41.1%