-50.84% is the change from 836 to 411
Calculation steps:
[( 411 - 836 ) ÷ 836] x 100 = -50.84%
Formula
Percentage change = [(411 - 836) / 836] x 100
Subtract the new number by the original number
411 - 836 = -425
-425 ÷ 836 = -0.5083732057416268
-0.5083732057416268 x 100 = -50.84%