-72.78% is the change from 823 to 224
Calculation steps:
[( 224 - 823 ) ÷ 823] x 100 = -72.78%
Formula
Percentage change = [(224 - 823) / 823] x 100
Subtract the new number by the original number
224 - 823 = -599
-599 ÷ 823 = -0.7278250303766707
-0.7278250303766707 x 100 = -72.78%