-70.72% is the change from 823 to 241
Calculation steps:
[( 241 - 823 ) ÷ 823] x 100 = -70.72%
Formula
Percentage change = [(241 - 823) / 823] x 100
Subtract the new number by the original number
241 - 823 = -582
-582 ÷ 823 = -0.707168894289186
-0.707168894289186 x 100 = -70.72%