-82.4% is the change from 818 to 144
Calculation steps:
[( 144 - 818 ) ÷ 818] x 100 = -82.4%
Formula
Percentage change = [(144 - 818) / 818] x 100
Subtract the new number by the original number
144 - 818 = -674
-674 ÷ 818 = -0.823960880195599
-0.823960880195599 x 100 = -82.4%