-98.44% is the change from 321 to 5
Calculation steps:
[( 5 - 321 ) ÷ 321] x 100 = -98.44%
Formula
Percentage change = [(5 - 321) / 321] x 100
Subtract the new number by the original number
5 - 321 = -316
-316 ÷ 321 = -0.9844236760124611
-0.9844236760124611 x 100 = -98.44%