-20.88% is the change from 407 to 322
Calculation steps:
[( 322 - 407 ) ÷ 407] x 100 = -20.88%
Formula
Percentage change = [(322 - 407) / 407] x 100
Subtract the new number by the original number
322 - 407 = -85
-85 ÷ 407 = -0.20884520884520885
-0.20884520884520885 x 100 = -20.88%