3.36% is the change from 745 to 770
Calculation steps:
[( 770 - 745 ) ÷ 745] x 100 = 3.36%
Formula
Percentage change = [(770 - 745) / 745] x 100
Subtract the new number by the original number
770 - 745 = 25
25 ÷ 745 = 0.03355704697986577
0.03355704697986577 x 100 = 3.36%