-6.5% is the change from 662 to 619
Calculation steps:
[( 619 - 662 ) ÷ 662] x 100 = -6.5%
Formula
Percentage change = [(619 - 662) / 662] x 100
Subtract the new number by the original number
619 - 662 = -43
-43 ÷ 662 = -0.0649546827794562
-0.0649546827794562 x 100 = -6.5%