-70.81% is the change from 812 to 237
Calculation steps:
[( 237 - 812 ) ÷ 812] x 100 = -70.81%
Formula
Percentage change = [(237 - 812) / 812] x 100
Subtract the new number by the original number
237 - 812 = -575
-575 ÷ 812 = -0.708128078817734
-0.708128078817734 x 100 = -70.81%