4.72% is the change from 721 to 755
Calculation steps:
[( 755 - 721 ) ÷ 721] x 100 = 4.72%
Formula
Percentage change = [(755 - 721) / 721] x 100
Subtract the new number by the original number
755 - 721 = 34
34 ÷ 721 = 0.047156726768377254
0.047156726768377254 x 100 = 4.72%