-69.87% is the change from 823 to 248
Calculation steps:
[( 248 - 823 ) ÷ 823] x 100 = -69.87%
Formula
Percentage change = [(248 - 823) / 823] x 100
Subtract the new number by the original number
248 - 823 = -575
-575 ÷ 823 = -0.6986634264884569
-0.6986634264884569 x 100 = -69.87%