-20.1% is the change from 403 to 322
Calculation steps:
[( 322 - 403 ) ÷ 403] x 100 = -20.1%
Formula
Percentage change = [(322 - 403) / 403] x 100
Subtract the new number by the original number
322 - 403 = -81
-81 ÷ 403 = -0.20099255583126552
-0.20099255583126552 x 100 = -20.1%