-30.51% is the change from 816 to 567
Calculation steps:
[( 567 - 816 ) ÷ 816] x 100 = -30.51%
Formula
Percentage change = [(567 - 816) / 816] x 100
Subtract the new number by the original number
567 - 816 = -249
-249 ÷ 816 = -0.30514705882352944
-0.30514705882352944 x 100 = -30.51%