34.88% is the change from 43 to 58
Calculation steps:
[( 58 - 43 ) ÷ 43] x 100 = 34.88%
Formula
Percentage change = [(58 - 43) / 43] x 100
Subtract the new number by the original number
58 - 43 = 15
15 ÷ 43 = 0.3488372093023256
0.3488372093023256 x 100 = 34.88%