6.12% is the change from 768 to 815
Calculation steps:
[( 815 - 768 ) ÷ 768] x 100 = 6.12%
Formula
Percentage change = [(815 - 768) / 768] x 100
Subtract the new number by the original number
815 - 768 = 47
47 ÷ 768 = 0.061197916666666664
0.061197916666666664 x 100 = 6.12%