10.5% is the change from 743 to 821
Calculation steps:
[( 821 - 743 ) ÷ 743] x 100 = 10.5%
Formula
Percentage change = [(821 - 743) / 743] x 100
Subtract the new number by the original number
821 - 743 = 78
78 ÷ 743 = 0.10497981157469717
0.10497981157469717 x 100 = 10.5%