-71.52% is the change from 818 to 233
Calculation steps:
[( 233 - 818 ) ÷ 818] x 100 = -71.52%
Formula
Percentage change = [(233 - 818) / 818] x 100
Subtract the new number by the original number
233 - 818 = -585
-585 ÷ 818 = -0.715158924205379
-0.715158924205379 x 100 = -71.52%