-45.81% is the change from 812 to 440
Calculation steps:
[( 440 - 812 ) ÷ 812] x 100 = -45.81%
Formula
Percentage change = [(440 - 812) / 812] x 100
Subtract the new number by the original number
440 - 812 = -372
-372 ÷ 812 = -0.458128078817734
-0.458128078817734 x 100 = -45.81%