-11.81% is the change from 669 to 590
Calculation steps:
[( 590 - 669 ) ÷ 669] x 100 = -11.81%
Formula
Percentage change = [(590 - 669) / 669] x 100
Subtract the new number by the original number
590 - 669 = -79
-79 ÷ 669 = -0.11808669656203288
-0.11808669656203288 x 100 = -11.81%