-21.02% is the change from 609 to 481
Calculation steps:
[( 481 - 609 ) ÷ 609] x 100 = -21.02%
Formula
Percentage change = [(481 - 609) / 609] x 100
Subtract the new number by the original number
481 - 609 = -128
-128 ÷ 609 = -0.21018062397372742
-0.21018062397372742 x 100 = -21.02%