-30.23% is the change from 43 to 30
Calculation steps:
[( 30 - 43 ) ÷ 43] x 100 = -30.23%
Formula
Percentage change = [(30 - 43) / 43] x 100
Subtract the new number by the original number
30 - 43 = -13
-13 ÷ 43 = -0.3023255813953488
-0.3023255813953488 x 100 = -30.23%