-49.14% is the change from 812 to 413
Calculation steps:
[( 413 - 812 ) ÷ 812] x 100 = -49.14%
Formula
Percentage change = [(413 - 812) / 812] x 100
Subtract the new number by the original number
413 - 812 = -399
-399 ÷ 812 = -0.49137931034482757
-0.49137931034482757 x 100 = -49.14%
Example