2.67% is the change from 748 to 768
Calculation steps:
[( 768 - 748 ) ÷ 748] x 100 = 2.67%
Formula
Percentage change = [(768 - 748) / 748] x 100
Subtract the new number by the original number
768 - 748 = 20
20 ÷ 748 = 0.026737967914438502
0.026737967914438502 x 100 = 2.67%