-73.86% is the change from 834 to 218
Calculation steps:
[( 218 - 834 ) ÷ 834] x 100 = -73.86%
Formula
Percentage change = [(218 - 834) / 834] x 100
Subtract the new number by the original number
218 - 834 = -616
-616 ÷ 834 = -0.7386091127098321
-0.7386091127098321 x 100 = -73.86%