-73.38% is the change from 819 to 218
Calculation steps:
[( 218 - 819 ) ÷ 819] x 100 = -73.38%
Formula
Percentage change = [(218 - 819) / 819] x 100
Subtract the new number by the original number
218 - 819 = -601
-601 ÷ 819 = -0.7338217338217338
-0.7338217338217338 x 100 = -73.38%