-72.79% is the change from 816 to 222
Calculation steps:
[( 222 - 816 ) ÷ 816] x 100 = -72.79%
Formula
Percentage change = [(222 - 816) / 816] x 100
Subtract the new number by the original number
222 - 816 = -594
-594 ÷ 816 = -0.7279411764705882
-0.7279411764705882 x 100 = -72.79%