-79.04% is the change from 396 to 83
Calculation steps:
[( 83 - 396 ) ÷ 396] x 100 = -79.04%
Formula
Percentage change = [(83 - 396) / 396] x 100
Subtract the new number by the original number
83 - 396 = -313
-313 ÷ 396 = -0.7904040404040404
-0.7904040404040404 x 100 = -79.04%