-69.14% is the change from 823 to 254
Calculation steps:
[( 254 - 823 ) ÷ 823] x 100 = -69.14%
Formula
Percentage change = [(254 - 823) / 823] x 100
Subtract the new number by the original number
254 - 823 = -569
-569 ÷ 823 = -0.6913730255164034
-0.6913730255164034 x 100 = -69.14%