3.94% is the change from 812 to 844
Calculation steps:
[( 844 - 812 ) ÷ 812] x 100 = 3.94%
Formula
Percentage change = [(844 - 812) / 812] x 100
Subtract the new number by the original number
844 - 812 = 32
32 ÷ 812 = 0.03940886699507389
0.03940886699507389 x 100 = 3.94%