-3.08% is the change from 812 to 787
Calculation steps:
[( 787 - 812 ) ÷ 812] x 100 = -3.08%
Formula
Percentage change = [(787 - 812) / 812] x 100
Subtract the new number by the original number
787 - 812 = -25
-25 ÷ 812 = -0.03078817733990148
-0.03078817733990148 x 100 = -3.08%