-7.47% is the change from 669 to 619
Calculation steps:
[( 619 - 669 ) ÷ 669] x 100 = -7.47%
Formula
Percentage change = [(619 - 669) / 669] x 100
Subtract the new number by the original number
619 - 669 = -50
-50 ÷ 669 = -0.07473841554559044
-0.07473841554559044 x 100 = -7.47%