-71.88% is the change from 818 to 230
Calculation steps:
[( 230 - 818 ) ÷ 818] x 100 = -71.88%
Formula
Percentage change = [(230 - 818) / 818] x 100
Subtract the new number by the original number
230 - 818 = -588
-588 ÷ 818 = -0.7188264058679706
-0.7188264058679706 x 100 = -71.88%