-63.67% is the change from 823 to 299
Calculation steps:
[( 299 - 823 ) ÷ 823] x 100 = -63.67%
Formula
Percentage change = [(299 - 823) / 823] x 100
Subtract the new number by the original number
299 - 823 = -524
-524 ÷ 823 = -0.6366950182260024
-0.6366950182260024 x 100 = -63.67%