-1.82% is the change from 823 to 808
Calculation steps:
[( 808 - 823 ) ÷ 823] x 100 = -1.82%
Formula
Percentage change = [(808 - 823) / 823] x 100
Subtract the new number by the original number
808 - 823 = -15
-15 ÷ 823 = -0.018226002430133656
-0.018226002430133656 x 100 = -1.82%