-50.6% is the change from 836 to 413
Calculation steps:
[( 413 - 836 ) ÷ 836] x 100 = -50.6%
Formula
Percentage change = [(413 - 836) / 836] x 100
Subtract the new number by the original number
413 - 836 = -423
-423 ÷ 836 = -0.5059808612440191
-0.5059808612440191 x 100 = -50.6%