-72.54% is the change from 812 to 223
Calculation steps:
[( 223 - 812 ) ÷ 812] x 100 = -72.54%
Formula
Percentage change = [(223 - 812) / 812] x 100
Subtract the new number by the original number
223 - 812 = -589
-589 ÷ 812 = -0.7253694581280788
-0.7253694581280788 x 100 = -72.54%