0.39% is the change from 775 to 778
Calculation steps:
[( 778 - 775 ) ÷ 775] x 100 = 0.39%
Formula
Percentage change = [(778 - 775) / 775] x 100
Subtract the new number by the original number
778 - 775 = 3
3 ÷ 775 = 0.003870967741935484
0.003870967741935484 x 100 = 0.39%