-49.82% is the change from 823 to 413
Calculation steps:
[( 413 - 823 ) ÷ 823] x 100 = -49.82%
Formula
Percentage change = [(413 - 823) / 823] x 100
Subtract the new number by the original number
413 - 823 = -410
-410 ÷ 823 = -0.49817739975698666
-0.49817739975698666 x 100 = -49.82%