8.12% is the change from 616 to 666
Calculation steps:
[( 666 - 616 ) ÷ 616] x 100 = 8.12%
Formula
Percentage change = [(666 - 616) / 616] x 100
Subtract the new number by the original number
666 - 616 = 50
50 ÷ 616 = 0.08116883116883117
0.08116883116883117 x 100 = 8.12%