-24.22% is the change from 669 to 507
Calculation steps:
[( 507 - 669 ) ÷ 669] x 100 = -24.22%
Formula
Percentage change = [(507 - 669) / 669] x 100
Subtract the new number by the original number
507 - 669 = -162
-162 ÷ 669 = -0.242152466367713
-0.242152466367713 x 100 = -24.22%