-73.26% is the change from 834 to 223
Calculation steps:
[( 223 - 834 ) ÷ 834] x 100 = -73.26%
Formula
Percentage change = [(223 - 834) / 834] x 100
Subtract the new number by the original number
223 - 834 = -611
-611 ÷ 834 = -0.7326139088729017
-0.7326139088729017 x 100 = -73.26%