-25.26% is the change from 669 to 500
Calculation steps:
[( 500 - 669 ) ÷ 669] x 100 = -25.26%
Formula
Percentage change = [(500 - 669) / 669] x 100
Subtract the new number by the original number
500 - 669 = -169
-169 ÷ 669 = -0.2526158445440957
-0.2526158445440957 x 100 = -25.26%