-30.79% is the change from 812 to 562
Calculation steps:
[( 562 - 812 ) ÷ 812] x 100 = -30.79%
Formula
Percentage change = [(562 - 812) / 812] x 100
Subtract the new number by the original number
562 - 812 = -250
-250 ÷ 812 = -0.3078817733990148
-0.3078817733990148 x 100 = -30.79%