-25.71% is the change from 669 to 497
Calculation steps:
[( 497 - 669 ) ÷ 669] x 100 = -25.71%
Formula
Percentage change = [(497 - 669) / 669] x 100
Subtract the new number by the original number
497 - 669 = -172
-172 ÷ 669 = -0.2571001494768311
-0.2571001494768311 x 100 = -25.71%