34.48% is the change from 58 to 78
Calculation steps:
[( 78 - 58 ) ÷ 58] x 100 = 34.48%
Formula
Percentage change = [(78 - 58) / 58] x 100
Subtract the new number by the original number
78 - 58 = 20
20 ÷ 58 = 0.3448275862068966
0.3448275862068966 x 100 = 34.48%