-69.38% is the change from 823 to 252
Calculation steps:
[( 252 - 823 ) ÷ 823] x 100 = -69.38%
Formula
Percentage change = [(252 - 823) / 823] x 100
Subtract the new number by the original number
252 - 823 = -571
-571 ÷ 823 = -0.6938031591737546
-0.6938031591737546 x 100 = -69.38%