-22.72% is the change from 669 to 517
Calculation steps:
[( 517 - 669 ) ÷ 669] x 100 = -22.72%
Formula
Percentage change = [(517 - 669) / 669] x 100
Subtract the new number by the original number
517 - 669 = -152
-152 ÷ 669 = -0.22720478325859492
-0.22720478325859492 x 100 = -22.72%