4.35% is the change from 781 to 815
Calculation steps:
[( 815 - 781 ) ÷ 781] x 100 = 4.35%
Formula
Percentage change = [(815 - 781) / 781] x 100
Subtract the new number by the original number
815 - 781 = 34
34 ÷ 781 = 0.04353393085787452
0.04353393085787452 x 100 = 4.35%