7.92% is the change from 619 to 668
Calculation steps:
[( 668 - 619 ) ÷ 619] x 100 = 7.92%
Formula
Percentage change = [(668 - 619) / 619] x 100
Subtract the new number by the original number
668 - 619 = 49
49 ÷ 619 = 0.0791599353796446
0.0791599353796446 x 100 = 7.92%