123.53% is the change from 34 to 76
Calculation steps:
[( 76 - 34 ) ÷ 34] x 100 = 123.53%
Formula
Percentage change = [(76 - 34) / 34] x 100
Subtract the new number by the original number
76 - 34 = 42
42 ÷ 34 = 1.2352941176470589
1.2352941176470589 x 100 = 123.53%