-72.77% is the change from 819 to 223
Calculation steps:
[( 223 - 819 ) ÷ 819] x 100 = -72.77%
Formula
Percentage change = [(223 - 819) / 819] x 100
Subtract the new number by the original number
223 - 819 = -596
-596 ÷ 819 = -0.7277167277167277
-0.7277167277167277 x 100 = -72.77%