4.22% is the change from 782 to 815
Calculation steps:
[( 815 - 782 ) ÷ 782] x 100 = 4.22%
Formula
Percentage change = [(815 - 782) / 782] x 100
Subtract the new number by the original number
815 - 782 = 33
33 ÷ 782 = 0.04219948849104859
0.04219948849104859 x 100 = 4.22%