6.52% is the change from 721 to 768
Calculation steps:
[( 768 - 721 ) ÷ 721] x 100 = 6.52%
Formula
Percentage change = [(768 - 721) / 721] x 100
Subtract the new number by the original number
768 - 721 = 47
47 ÷ 721 = 0.0651872399445215
0.0651872399445215 x 100 = 6.52%