9.57% is the change from 658 to 721
Calculation steps:
[( 721 - 658 ) ÷ 658] x 100 = 9.57%
Formula
Percentage change = [(721 - 658) / 658] x 100
Subtract the new number by the original number
721 - 658 = 63
63 ÷ 658 = 0.09574468085106383
0.09574468085106383 x 100 = 9.57%