-33.88% is the change from 487 to 322
Calculation steps:
[( 322 - 487 ) ÷ 487] x 100 = -33.88%
Formula
Percentage change = [(322 - 487) / 487] x 100
Subtract the new number by the original number
322 - 487 = -165
-165 ÷ 487 = -0.33880903490759756
-0.33880903490759756 x 100 = -33.88%