-50.18% is the change from 829 to 413
Calculation steps:
[( 413 - 829 ) ÷ 829] x 100 = -50.18%
Formula
Percentage change = [(413 - 829) / 829] x 100
Subtract the new number by the original number
413 - 829 = -416
-416 ÷ 829 = -0.5018094089264173
-0.5018094089264173 x 100 = -50.18%