3.09% is the change from 745 to 768
Calculation steps:
[( 768 - 745 ) ÷ 745] x 100 = 3.09%
Formula
Percentage change = [(768 - 745) / 745] x 100
Subtract the new number by the original number
768 - 745 = 23
23 ÷ 745 = 0.03087248322147651
0.03087248322147651 x 100 = 3.09%