3.21% is the change from 747 to 771
Calculation steps:
[( 771 - 747 ) ÷ 747] x 100 = 3.21%
Formula
Percentage change = [(771 - 747) / 747] x 100
Subtract the new number by the original number
771 - 747 = 24
24 ÷ 747 = 0.0321285140562249
0.0321285140562249 x 100 = 3.21%