8.6% is the change from 721 to 783
Calculation steps:
[( 783 - 721 ) ÷ 721] x 100 = 8.6%
Formula
Percentage change = [(783 - 721) / 721] x 100
Subtract the new number by the original number
783 - 721 = 62
62 ÷ 721 = 0.08599167822468794
0.08599167822468794 x 100 = 8.6%