-73.09% is the change from 669 to 180
Calculation steps:
[( 180 - 669 ) ÷ 669] x 100 = -73.09%
Formula
Percentage change = [(180 - 669) / 669] x 100
Subtract the new number by the original number
180 - 669 = -489
-489 ÷ 669 = -0.7309417040358744
-0.7309417040358744 x 100 = -73.09%