3.08% is the change from 812 to 837
Calculation steps:
[( 837 - 812 ) ÷ 812] x 100 = 3.08%
Formula
Percentage change = [(837 - 812) / 812] x 100
Subtract the new number by the original number
837 - 812 = 25
25 ÷ 812 = 0.03078817733990148
0.03078817733990148 x 100 = 3.08%