3.05% is the change from 721 to 743
Calculation steps:
[( 743 - 721 ) ÷ 721] x 100 = 3.05%
Formula
Percentage change = [(743 - 721) / 721] x 100
Subtract the new number by the original number
743 - 721 = 22
22 ÷ 721 = 0.030513176144244106
0.030513176144244106 x 100 = 3.05%