-95.02% is the change from 321 to 16
Calculation steps:
[( 16 - 321 ) ÷ 321] x 100 = -95.02%
Formula
Percentage change = [(16 - 321) / 321] x 100
Subtract the new number by the original number
16 - 321 = -305
-305 ÷ 321 = -0.9501557632398754
-0.9501557632398754 x 100 = -95.02%