-50% is the change from 832 to 416
Calculation steps:
[( 416 - 832 ) ÷ 832] x 100 = -50%
Formula
Percentage change = [(416 - 832) / 832] x 100
Subtract the new number by the original number
416 - 832 = -416
-416 ÷ 832 = -0.5
-0.5 x 100 = -50%
Example