-50.48% is the change from 834 to 413
Calculation steps:
[( 413 - 834 ) ÷ 834] x 100 = -50.48%
Formula
Percentage change = [(413 - 834) / 834] x 100
Subtract the new number by the original number
413 - 834 = -421
-421 ÷ 834 = -0.5047961630695443
-0.5047961630695443 x 100 = -50.48%