-98.76% is the change from 322 to 4
Calculation steps:
[( 4 - 322 ) ÷ 322] x 100 = -98.76%
Formula
Percentage change = [(4 - 322) / 322] x 100
Subtract the new number by the original number
4 - 322 = -318
-318 ÷ 322 = -0.9875776397515528
-0.9875776397515528 x 100 = -98.76%