-24.66% is the change from 669 to 504
Calculation steps:
[( 504 - 669 ) ÷ 669] x 100 = -24.66%
Formula
Percentage change = [(504 - 669) / 669] x 100
Subtract the new number by the original number
504 - 669 = -165
-165 ÷ 669 = -0.24663677130044842
-0.24663677130044842 x 100 = -24.66%