4.06% is the change from 812 to 845
Calculation steps:
[( 845 - 812 ) ÷ 812] x 100 = 4.06%
Formula
Percentage change = [(845 - 812) / 812] x 100
Subtract the new number by the original number
845 - 812 = 33
33 ÷ 812 = 0.04064039408866995
0.04064039408866995 x 100 = 4.06%