4.21% is the change from 784 to 817
Calculation steps:
[( 817 - 784 ) ÷ 784] x 100 = 4.21%
Formula
Percentage change = [(817 - 784) / 784] x 100
Subtract the new number by the original number
817 - 784 = 33
33 ÷ 784 = 0.042091836734693876
0.042091836734693876 x 100 = 4.21%