-66.32% is the change from 487 to 164
Calculation steps:
[( 164 - 487 ) ÷ 487] x 100 = -66.32%
Formula
Percentage change = [(164 - 487) / 487] x 100
Subtract the new number by the original number
164 - 487 = -323
-323 ÷ 487 = -0.6632443531827515
-0.6632443531827515 x 100 = -66.32%