-73.35% is the change from 818 to 218
Calculation steps:
[( 218 - 818 ) ÷ 818] x 100 = -73.35%
Formula
Percentage change = [(218 - 818) / 818] x 100
Subtract the new number by the original number
218 - 818 = -600
-600 ÷ 818 = -0.7334963325183375
-0.7334963325183375 x 100 = -73.35%