-19.13% is the change from 669 to 541
Calculation steps:
[( 541 - 669 ) ÷ 669] x 100 = -19.13%
Formula
Percentage change = [(541 - 669) / 669] x 100
Subtract the new number by the original number
541 - 669 = -128
-128 ÷ 669 = -0.19133034379671152
-0.19133034379671152 x 100 = -19.13%