-73.59% is the change from 818 to 216
Calculation steps:
[( 216 - 818 ) ÷ 818] x 100 = -73.59%
Formula
Percentage change = [(216 - 818) / 818] x 100
Subtract the new number by the original number
216 - 818 = -602
-602 ÷ 818 = -0.7359413202933985
-0.7359413202933985 x 100 = -73.59%