-73.22% is the change from 829 to 222
Calculation steps:
[( 222 - 829 ) ÷ 829] x 100 = -73.22%
Formula
Percentage change = [(222 - 829) / 829] x 100
Subtract the new number by the original number
222 - 829 = -607
-607 ÷ 829 = -0.7322074788902292
-0.7322074788902292 x 100 = -73.22%