-8.37% is the change from 669 to 613
Calculation steps:
[( 613 - 669 ) ÷ 669] x 100 = -8.37%
Formula
Percentage change = [(613 - 669) / 669] x 100
Subtract the new number by the original number
613 - 669 = -56
-56 ÷ 669 = -0.08370702541106129
-0.08370702541106129 x 100 = -8.37%