-73.89% is the change from 835 to 218
Calculation steps:
[( 218 - 835 ) ÷ 835] x 100 = -73.89%
Formula
Percentage change = [(218 - 835) / 835] x 100
Subtract the new number by the original number
218 - 835 = -617
-617 ÷ 835 = -0.7389221556886227
-0.7389221556886227 x 100 = -73.89%