3.57% is the change from 784 to 812
Calculation steps:
[( 812 - 784 ) ÷ 784] x 100 = 3.57%
Formula
Percentage change = [(812 - 784) / 784] x 100
Subtract the new number by the original number
812 - 784 = 28
28 ÷ 784 = 0.03571428571428571
0.03571428571428571 x 100 = 3.57%