6.57% is the change from 685 to 730
Calculation steps:
[( 730 - 685 ) ÷ 685] x 100 = 6.57%
Formula
Percentage change = [(730 - 685) / 685] x 100
Subtract the new number by the original number
730 - 685 = 45
45 ÷ 685 = 0.06569343065693431
0.06569343065693431 x 100 = 6.57%