-39.16% is the change from 669 to 407
Calculation steps:
[( 407 - 669 ) ÷ 669] x 100 = -39.16%
Formula
Percentage change = [(407 - 669) / 669] x 100
Subtract the new number by the original number
407 - 669 = -262
-262 ÷ 669 = -0.39162929745889385
-0.39162929745889385 x 100 = -39.16%