-73.19% is the change from 813 to 218
Calculation steps:
[( 218 - 813 ) ÷ 813] x 100 = -73.19%
Formula
Percentage change = [(218 - 813) / 813] x 100
Subtract the new number by the original number
218 - 813 = -595
-595 ÷ 813 = -0.7318573185731857
-0.7318573185731857 x 100 = -73.19%