-69.25% is the change from 322 to 99
Calculation steps:
[( 99 - 322 ) ÷ 322] x 100 = -69.25%
Formula
Percentage change = [(99 - 322) / 322] x 100
Subtract the new number by the original number
99 - 322 = -223
-223 ÷ 322 = -0.6925465838509317
-0.6925465838509317 x 100 = -69.25%