-29.78% is the change from 816 to 573
Calculation steps:
[( 573 - 816 ) ÷ 816] x 100 = -29.78%
Formula
Percentage change = [(573 - 816) / 816] x 100
Subtract the new number by the original number
573 - 816 = -243
-243 ÷ 816 = -0.2977941176470588
-0.2977941176470588 x 100 = -29.78%