8.24% is the change from 619 to 670
Calculation steps:
[( 670 - 619 ) ÷ 619] x 100 = 8.24%
Formula
Percentage change = [(670 - 619) / 619] x 100
Subtract the new number by the original number
670 - 619 = 51
51 ÷ 619 = 0.08239095315024232
0.08239095315024232 x 100 = 8.24%