6.78% is the change from 678 to 724
Calculation steps:
[( 724 - 678 ) ÷ 678] x 100 = 6.78%
Formula
Percentage change = [(724 - 678) / 678] x 100
Subtract the new number by the original number
724 - 678 = 46
46 ÷ 678 = 0.06784660766961652
0.06784660766961652 x 100 = 6.78%