3.82% is the change from 812 to 843
Calculation steps:
[( 843 - 812 ) ÷ 812] x 100 = 3.82%
Formula
Percentage change = [(843 - 812) / 812] x 100
Subtract the new number by the original number
843 - 812 = 31
31 ÷ 812 = 0.038177339901477834
0.038177339901477834 x 100 = 3.82%